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Best Depth Finders 2018 – [Buyer’s Guide]

Last Updated December 1, 2019

Maurice TurnerHey friends! I’ve got something important to talk about today! After more than 49 hours of research and testing, which included using 12 different depth finders in five cities and interviewing product teams at five major companies, I made a list of the best depth finders of 2018

I have been writing about technology and entertainment since the early 90s from my secluded home in West Virginia. In this section we provide our readers with a comparison table of our top picks. Scroll past the table for a closer look at each of the 3 best depth finders in our review section.

Best Depth Finders of 2018

I must say I am quite a fan of depth finders, so when the question “What are the best depth finders available on the market?” came to my mind, I excitedly started gathering information together with personal experience to write this article in the hope that it may help you find the suitable depth finders. I browse the various depth finders available on the market and list three of the very best. If you get well acquainted with these basics, you shouldn’t have a problem choosing a depth finders that suits your need. Many brands have introduced depth finders on the market. These brands have resulted in a variety for the user. These require that the consumers be well aware of what they are buying so as to make the best choice.

Test Results and Ratings

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Total 4.8 4.5 4.3
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№1 – ARTMARK New 2017 Portable Fish Finder

ARTMARK New 2017 Portable Fish Finder

Wide and clear LCD display. Depth readout from 0.6 to 100m.
Detect and display grass, weed, sand, and rock on seabed Get the approximate location of fish and the depth of water
Round transducer sensor with 7.5m cable, 45 degrees beam angle With fish depth scale.and audible fish alarm
For such a price and the level of quality it can’t even have any cons, only pick holes.

Why did this depth finders win the first place?

I really enjoy the design. It is compact, comfortable and reliable. And it looks amazing! I don’t know anything about other models from this brand, but I am fully satisfied with this product. The material is stylish, but it smells for the first couple of days. I am very happy with the purchase. It is definitely worth its money. The product is top-notch!
















№2 – Gobing Wireless Sonar Sensor Fish Finders for Boats Humminbird Transducer

Gobing Wireless Sonar Sensor Fish Finders for Boats Humminbird Transducer

7 characteristics: fish alarm (fish size) ,wireless connect , smart detection , convenient ,long lasting , huge capacity , visible sunshine LCD design
Can be used for fishing off the dock, on a boat, and ice fishing. Apply to lake, river, sea and other fishing environment
It gets scratched easily..
It got crumpled after a couple of months of use..

Why did this depth finders come in second place?

I like this product. For such a low price, I didn’t even hope it to be any better. It’s decently made. Managers explained me all the details about the product range, price, and delivery. This is a pretty decent product that perfectly fitted the interior of our office. Seems that the material is good. It has a very beautiful color but I don’t really like the texture.
















№3 – Garmin Striker 4 Bbuilt-in GPS Fish Finder

Garmin Striker 4 Bbuilt-in GPS Fish Finder

CLEARVÜ SCANNING SONAR – Shows you more of what is in the water around your boat. This high-frequency sonar gives near-photographic images with detailed representations of objects, structure and fish.
THE POWER OF SIMPLE – Offers a keyed interface with dedicated buttons. The device is easy to use and easy to install. Available in 3.5-, 5- and 7-inch display sizes.
May be a little heavy for some people.
Extraordinarily expensive.

Why did this depth finders take third place?

This price is appropriate since the product is very well built. It doesn’t squeaks nor bents. Looks great in my apartment. It is inconvenient to use due to the size. I am going to get something different next time. We are very pleased with the purchase — the product is great!
















Depth Finders Buyer’s Guide

If you keep the before points in mind, you can easily go out to the market and buy depth finders, right? No!

Garmin Echo 551DV Fish Finder

The dual beam transducer uses the 77/200 kHz frequency and 50/200 kHz dual frequency. Additionally it has DownVu capabilities that allow to nearly photographically view the structure and fish underneath the boat.

The 5-inch high resolution display offers zoom, horizontal and vertical viewing, and a split screen mode for viewing the broadband sonar and down image side by side.

Other features include waterproofing, audio alarm for when to be ready to cast and catch. For easy installation the device comes with quick-release tilt-swivel and transom mount, and low profile trolling motor transducer.

Garmin Echo 100

For those looking for a black and white best fish finder under 200, we would recommend considering the Garmin Echo 100 model.

It features innovative target tracking technology that gives data on fish, structure and bottom. It features single beam sonar with the frequency of 200 kHz, which allows monitoring the underwater to the maximum depth of 600 ft. So it’s a more suitable device for fishing in freshwater lakes.  The sonar power of the model is 100 watts (RMS).

This unit is also small, so it’s also the perfect choice for a small craft. The installation of the Echo 100 is a snap with the included quick release tilt mount.

Humminbird 140C Fishin’ Buddy

Humminbird 140C Fishin’ Buddy is one of the top rated fish finders among the portable type. So you can use it on your boat, on the leased boat, on the dock or for fishing from anywhere else. To use the device you won’t need to do any rigging or wiring. Instead it uses extendable transducer tube housing with the length suitable for most small and mid-sized boats.

The 25color TFT screen gives a clear image that can give you readings of depths of up to 240 ft. The charge of the unit can last up to 30 hours. It features SideFinding sonar that gives accurate readings. Its benefit is that you can point it in any direction and get full coverage of the area to find more fish. The temperature feature is included.

The wattage for the device is 1000 watts. Purchasing it, you have several options. You can either choose a black and white or color screen option. One more selection is of either dual or single beam sonar.

Humminbird ICE-35

For ice fishing enthusiasts one of the recommended and top rated fish finders is the Humminbird ICE-3model. One of the most liked features on this device is the zoom flexibility. It allows you to zoom in not just to the bottom, but also zooming in for more details in any part you choose of the water column. The three color fiber optic display gives you a clear view of the readings. The extreme temperature LCD technology reports the lake bottom and automatically sets the flasher. Other features include dual frequency, maximum 200 depth capability and 800 watts peak-to-peak.


Transducer is the main part of the fish locator. It sends the sound waves and shows what is underneath the surface of the water. The sonar signal that the transducer sends into the water, bounces off of the objects that are underwater and then gets picked up by the transducer. The signal is then translated into a picture.

When checking the transducer, the most important feature is the cone angle. For a bigger perspective of the verges underneath, choose a bigger degree on the cone. The wider beam gives more coverage of the under water and allows locating more fish within it. However, its drawback is the quick loss of strength. Due to this, it cannot penetrate the water as deep as the narrow cone. The narrow one can go really deep even in shallow waters and can also give information on the composition of the bottom.

To get the most of the both there’s the dual beam type of transducers. It’s also called dual frequency and which combines both features in one unit. Other types of transducers are more specialized. They include multiple beams (can be or more). These cover a larger area of the underwater and can even give a 3D image on the display. One more option is the side beam transducer. These units shoot their signals to the sides, which increases the search area for fish.


When choosing the fish finder, you also need to choose the unit with the right frequency, which is also an important feature of the transducer. The frequency is directly related to angle of the cone. On most of the transducers you can find the following frequencies: 50, 83, 19and 200 kHz. A higher frequency will give you more detail on the screen. You can find models that offer dual, single and multiple frequencies.

Fish Finder and GPS in One Unit

If you are looking for an ultimate fishing tool, consider adding GPS to it. The Global Positioning System (GPS) with the help of satellites calculates your exact position.

A GPS is a must have for many fishers and having it in one unit with a fish detector is economical, space saving and convenient. Having the addition of a GPS gives you many benefits. It will give you the ability to mark hot fishing spots and easily return to them in the future, as you can mark the spot on the GPS and then track your way back to it later. These spots are called waypoints and on most units you will be able to mark hundreds or even thousands of them.

A GPS also gives you navigation through the waters. For this you will need to select a unit that comes with background maps and charts. One more benefit of the addition of the GPS is safety. Wherever you fish, you will have the confidence that at the end of the day the GPS will easily point you home. For example, you could be fishing throughout different locations during the day, or you could lose sight of land, or some severe weather could suddenly roll out. In such situations, a GPS will give you the exact direction to your home and will tell you how far it is.

How Does a Fish Finder Work

Understanding how a fish finder works will help you to understand how to use it. Fish finders work using sonar. It’s a technology that uses sound waves to display underwater objects. The fish finder produces the sound wave and with the transducer sends it through the water. Penetrating the water deeper, the sound wave starts to spread in the form of a cone (commonly called a beam). As the wave encounters objects within this beam, it sends the signal back to the transducer.

By calculating the amount of time between when the sound wave was sent and when it bounced back, it measures the distance and shows it on the screen. If the wave doesn’t encounter anything on its way, it reaches the bottom. If the bottom is soft and it’s just mud and weeds, the signal gets absorbed. A rock bottom will reflect a stronger signal back.

SideVu needs improvement

Powerful Fish Finder With GPS: Humminbird Helix Di is one of the latest best fish finders in the market. It offers a whopping big display of 800×480 resolution. It’s super bright display can be seen at heavy sunlight very easily. This is one of the best fish finders by Humminbird which provides highly accurate data on a big screen.

This powerful fishfinder offers down imaging. Via this down imaging technology, you will be able to see what is under beneath you. High-frequency sound waves are used to create the images which will tell you what’s under beneath you. It gives you the fish eye’s view.

Helix Di offers dual beam, which covers a wide coverage area or detailed narrow area. If you want high accuracy, then you are requested to use the narrow beam. For scanning larger area, use the wide beam. Helix Di is an excellent fish finder for river usage. check-square-o

Slightly Expensive

Raymarine Dragon Fly Pro is one of the most influential and functional fish finders you can get in the market. It features a 5-inch high definition LED backlit display. It provides incredibly sharp color with viewing angles.

This fish finder has dual channel sonar with DownVision sonar which provides excellent photo-like images. It has internal storage along with SD card support meaning more storage. You can use the essential maps like US lake, rivers & coastline. It has built-in GPS and mobile wi-fi support; thus, it shows sonar readings straight to your phone. check-square-o

Transducer is slightly tough to install

Cheap portable fish finder: Are you a big fan of portable fish finders like my friend Sara? She likes portable fish finder as she loves to move a lot. This small fish finder is very powerful in comparison with other ones.It is straightforward to use by enabling the power and casting the sonar sensor from bank or boat.

This is the perfect fish finder for amateur or professional fisherman. It can come conveniently for family vacations too. One of the best features of this fish finder is that it has a fantastic battery life. ​Packed with a small 2.4″ TFT LCD display, it becomes pocket-friendly. It shows 51colors, has a white LED front light for the early morning trips, and lets you read even in direct sunlight. Its sonar detector will use the sound waves to show you to bottom contours along with identifying small and big fishes. The hard buttons of it help you operate it very smoothly and quickly. check-square-o

Cone Angle 

Cone angle is significant features to choose the good fish finder for yourself. Assume the cone angle as a point from the beginning of the transducer. It starts spreading from the point and the deeper it goes, it becomes wider. Please note that the more it widens and goes underwater, the more it loses its sensitivity. Usually, the cones range from degrees to 60 degrees. Normally the transducers come with a cone angle of 1to 20 degrees. Most of the time, 20-degree cone angle is good for most anglers.

Most of the transducers have a single beam. More advanced transducers come with dual beam, triple beam, side beam and more. These superior beams offer you the service to cover more water beneath your boat. This option comes very handily when you are looking for fishes in a big lake or river. If you are looking for the best fish finder, try to get a fish finder with at-least dual beam.


The display is another important factor while choosing the best fish finder. If your fish finder has a big screen, it can offer more data easily. Advanced fish finders come with color display along with other features. Advanced fish finders with big color display come with high resolution and great image like pictures of the objects below your boat.

Most of the advanced fish finders come with a GPS option. It is basically included in the device which will help you to find the spot you previously found. This will even help you to navigate through the lakes, rivers or in the ocean. This actually helps to minimize your effort to find the best fishing spot you found previously. Get the Best GPS Combo Fish Finder.

Privacy Policy

I hope you will benefit from my experience and that you will put the knowledge you acquire from my fishing guides into use because the main purpose of this website is for you to get a better understanding of what fish finder will fit your preferred fishing style. In my fish finder reviews you will find information about everything that you will need to know about sonar, display, power, GPS, charting packages and a lot more. So go ahead and browse through my reviews, comparison charts and the information articles to help you decide which model is the best for your fishing needs.

Garmin Echo 551dv

Here we have another brilliant device from the Garmin family called the Garmin Echo 551dv. This fish finder features standard broadband sonar and the highly popular down imaging sonar. The Echo 551dv generates possibly the sharpest image that you can find in a fish finder at this price.  Additionally, this model is unique in a way that it allows you to analyze the information vertically or horizontally, depending on your preferences.

This model contains a 77/200 kHz dual beam transducer and the brilliant DownVü capability. The dual beam transducer is very powerful and offers 500 watts that is efficient enough down to 2.300 feet. Also, this unit is known for its precision and dependability, and current owners give this fish finder two thumbs up. By using the Echo, you will enjoy excellent target separation and an exceptional view of the structure of the bottom. The sonar is able to deliver photo-like images of everything below your boat. It will brilliantly portray photograph image of the bottom and every object under the water surface.

You will find so many awesome qualities of the Echo 551dv, and this is one of Garmin´s best-selling portable fish finder on the market today. The awesome Utra scroll feature was designed to deliver reliable information when you are traveling fast.

Another highlight is that you can set the finder to lock the bottom, meaning that you will always see the bottom on the screen. Moreover, there is the Smooth Scaling feature that works to deliver consistent information when you move from deep to shallow water or vice versa. There is also an adjustable depth function that shows you, clearly on the screen, detailed depth of every object below the boat. A white-line identifies if the bottom structure is soft or hard and together with the AutoGain innovation, the gain settings are adjusted automatically to ensure that the sonar only returns top quality and reliable information.

Overall, this unit is receiving raving reviews from users all over the country. Here we have a fantastic, portable and efficient fish finder that was built to last. It is water resistant to ensure top performance in all fishing conditions. Also, there is no need to be glued to the screen at all times, as this model comes with an audible alarm to let you know of any activity near you. It is very easy to mount this device to any boat using the quick release swivel/tilt along with the transom mounts. If you prefer to mount to the dashboard, you can invest in a flush mount kit separately.

Next up is the fantastic Fishin Buddy MAX DI from the Humminbird family and here we have a fish finder that is full of surprises. The Fishin Buddy is extremely compact and fits easily in your pocket. If you have a small boat, kayak or you need to move from one lake to another, this would be an excellent solution for you because it hardly takes up any space.

Moreover, it features the awesome DownScan Imaging feature that provides photo-like graphics of everything bellow the boat. Also, it includes a Dual Beam Sonar with 2400Watts PTP. Although this unit is extremely portable, it features only quality and solid materials. This is a durable fish finder that works flawlessly in any weather condition as it is weather and waterproof.

The installation process is very easy, and you should be up and ready in amatter of seconds, even if you are not the typical tech-person. If you are a complete beginner, you might have to refer to the instruction manual to understand how to identify fish, but for anyone, this is just a few minute process.

Fishing Gear Labs

There is nothing as annoying as staying on empty all day because you cannot locate any fish in the water. However, having a good fish finder in your boat or float tube can revolutionize your fishing experience. Things have changed today and the time of miraculous catch are gone and dusted! Thanks to modern technology which makes fishing efficient, less tedious and more fruitful. In this post, we have done an in-depth research and reviews of the best fish finders for the money. You don’t have to look any further!

GPS System

A Global Positioning System (GPS) is an important feature of a fish finder. A GPS will help you locate a fishing ground you previously marked without much effort. Not only this but it will also help you navigate through the waters easily. With a GPS fish finder combo, you can fish even in new environments and still chart your way home. However, not all fish finders will come with a GPS option, so you need to make a right choice when buying fish finders.


This is what sends out signals to help you locate the fish. When it comes to transducers, the cone angle defines how efficient your fish detector will be. A transducer with a large cone angle provides a larger view of the underwaters, and this is very useful where there are no otherwise. Cone angle also determines the frequencies of a fish finder, the higher the frequencies, the greater the view in shallow waters. However, most of all, the best device is one that can deliver more than one frequencies.

Speed Sensor

In most cases, this functionality will come built in the GPS system. It will help improve your fishing efficiency as you will know whether you’re moving at the right speed for a particular type of fish.

Power is an important consideration when choosing a fish finder. In depth finders, power is measured in watts. A good fish finder should be powerful enough. High wattage means the device will show faster and accurate readings. The best fish finders have a minimum wattage of about 600 watts. However power will also depend on the depth of fishing, shallow water requires less power compared to deep waters.

Humminbird 409460-688ci HD DI

If actual screen size is not as important as advanced features, then the Humminbird 409460-688ci HD DI is a great choice. This internal GPS/Sonar combo fish finder puts the cost where users really want it, the features. It is an upgrade from the lesser Humminbird models and maximizes the fishing experience with GPS chartplotting, DualBeam PLUS sonar, memory storage capability, and a 25color digital display. When combined this all the best standard Down Imaging it is a superior device on in the fish finding market.

Garmin echo 500c

I have nothing but praises for this unique fish finding tool. Somehow Garmin has outdone the competition with a fish finder that has all the right features. The Garmin echo 500c Fishfinder is a slightly better item, than the one reviewed above. For users that have the extra money to spring for this upgrade, this is the better purchase. The 500c Fishfinder is the intuitive level fish finder, as it uses an uninterrupted sonar view. The product boasts about its priority software or Garmin Smooth Scaling technology. With this device handles depth changes without losing sight of any sonar histories. An additional feature allows users to rewind through their sonar histories. That is a sure way to not miss a stroke during any fishing adventure.

Humminbird 409470-600 698ci HD SI

As Humminbird products increase in price, so does the quality of their devices. The Humminbird 698ci HD presents an effective Side Imaging innovation at a value without extreme prices. It has a splendid 25color on a 5″ illuminated screen. The 698ci sparkles like a fish discoverer and chartplotter should. It uses very conventional 2D sonar includes Side Imaging and Down Imaging. This gives users the opportunity to see pictures at 100 feet deep. Wow that is really cool.

Humminbird 409140-859ci HD DI

Another Humminbird combo? Well it isn’t just bias. When the objective is to catch all the fish possible, the correct hardware is significant. Poles, reels, and watercraft can take an angler far. To ensure they know where the fish are gnawing, more fishermen are swinging to the Humminbird 409140-859ci HD DI Combo Color Fish Finder.

Humminbird 409150-899ci SI HD

I rank the Humminbird 409150-899ci SI HD Combo Color Fish Finder as superior. Except for the online media hype being unclear about what you are getting or how to redesign. This isn’t to say that this is a bad Humminbird model, but lets assess it fairly.

How does a fishfinder GPS work

In orbit around the earth in geosynchronous positions, numerous satellites are sending out radio signals that your GPS is picking up. By doing mathematical calculations, it figures the angle between the location of the receiver and multiple satellites that give you a fix. This them is converted into latitude and longitude and inside your GPS on the charts that are calibrated in longitude and latitude and icon symbols is displayed indicating where your boat is now.

When your boat is moving the calculations that indicated the direction and the amount of time of travel between point-to-points gives you your speed. Waypoints on the chart and line between them and your simply compare your icon against where the line is. The closer you follow the line between two waypoints the more accurate your navigation.

How to mount a fishfinder GPS

After opening the box, verify that all mounting hardware is there. Mount the transducer where the directions say. Run the wires to the unit. You have to drill holes. After doing so make sure you waterproof and seal all of them. Take particular care where the transducer cable enters the hull of your boat. The fish finder’s mount mounts where it is easily accessible and visible. This will depend on the type of boat you are using. Most anglers place the transducer on the transom. They place the display unit near where they sit while maneuvering the boat.

What is the difference between a fishfinder and depth finder?

A depth sounder is a coarse device that you send out a pulse and measures the return to give a bottom sounding. A fishfinder has much more discrimination. It allows focus on smaller objects at varying depths. The controls, therefore, are more sophisticated. With units that have a multibeam capability. You can see a three-dimensional view of what is beneath your boat. This allows you to identify fish much better. It also gives precise depth positions.

Display Size

The most expensive model, the CHIRP SI GPS G2, has a maximum depth of 1500 feet out of the box and 2500 feet with an add-on. It has a wide frequency range along with that, meaning this can be considered the best fish finders in the series for its depth range.

Most sonar systems send one frequency at a time. You can look for information from a high frequency or a low frequency, but you cannot look for information for both at once.

Over the course of an afternoon, this can mean missing out on dozens or even hundreds of fish.

But the Lowrance Hook 7 can be considered the best fish finders for people looking for stellar sonar and a series of cool features beyond sight and sound.

As a matter of fact, this feels so high-tech that it makes you think Lowrance should be making technology for James Bond. Anglers can really rejoice in the fact they work for us and not MI-6.

With other fish finders, you need to manually adjust your settings to see fish and other details clearly. With the Lowrance Hook-7, you can avoid that responsibility with advanced signal processing. This feature gets that done for you, making it easier for you to focus on catching fish.

TrackBack allows you to review your recorded history after your journey or on your next one. Everything from structure transitions to fish targets can be reviewed easily.

That makes the Hook-the best fish finders for anglers looking to keep track of their fishing trips after they return.

Uses Patented WiFi Signal Technology

Its powerful transducer uses a patented WiFi signal technology in order to accurately detect underwater fish species. Once properly integrated and installed in your gadget, the fish finder will display water temperature and indicate the depth of the water.

Lowrance 000-12635-00Hook-3X Sonar

Lowrance Hook 3X Sonar is another top quality fish finder that features a 3.5-inch LED-backlit color display with wide viewing angles. This intelligent device can identify fish targets, structure detail, thermoclines, bottom contour, bottom hardness, and more. Plus, it supports a dual-frequency operation to generate an accurate view beneath the surface of your boat. Take a quick look at the major features of this fish finder.

Powerful Transducer with In-built Water Sensor

The model features a powerful transducer with a built-in water-temperature sensor that can track bottom upto 75mph. It 3.5-inch clear and lucid screen displays fish icons so that you can easily identify fish targets and catch them gently.

Wireless Bluetooth Connection

You do not need to use your mobile data or a Wi-Fi internet connection at your fishing spot! In fact, the Deeper device comes with a powerful internal Bluetooth access point which connects to your tablet and smartphone.

Dual Frequency Operation

Featuring a dual frequency operation, this excellent fish finder offers twofold area coverage. For an instant, you should use the narrow beam or 290 kHz (15) for higher accuracy scans of the bottom structure. Whereas, you can use wide beam frequency or 90 kHz (55) for an extended search area.

OTW Staff

In 2016, the lines between “marine” electronics and “personal” electronics continue to blur as fishfinders, radars, and multifunction displays take technology and design cues from the smartphones and touch screens we use in our everyday lives. The electronics on our boats are becoming more connected to our personal devices and to the cloud, and the result is better performance, greater usability, and an incredible wealth of information at your fingertips every time you hit the water. If you haven’t upgraded your fishfinder in a few years, you’ll be blown away by what’s available and by the incredible technology that can be purchased today for a fraction of what it used to cost to consumers. Take advantage and make the most of your limited time on the water by making it safer and more productive.


Receive the benefits of greater fish-target separation and less interference for a more clutter-free display with CHIRP sonar, plus photo-like images of fish-holding structure on both sides of your boat with StructureScan HD, along with the same photo-like images directly beneath your boat with DownScan Imaging—all in one transducer. The Lowrance TotalScan Transducer reduces the number of separate transducers required to take full advantage of all the latest fishfinding features of Lowrance systems. The Lowrance TotalScan transducer offers additional versatility with multiple mounting options.


The M2handheld VHF radio is a sleek, stylish unit with big features and long battery life. Although it’s compact, it has a large LCD display and easy-to-operate buttons. A built-in lithium-ion battery will typically provide up to 1hours of operation and is charged through a micro-USB connector. If you happen to drop the fully-buoyant M2overboard, the Float’n Flash feature lets you know where it is with a flashing red LED light.


The Simrad GOXSE is a powerful, full-featured standalone marine chartplotter/fishfinder packed into a compact, easy-to-use display. The GOXSE features a super-bright multi-touch display, internal Hz GPS receiver, StructureScan HD and CHIRP sonar, autopilot integration/control, engine data monitoring, full audio entertainment integration with SonicHub 2, integrated wireless connectivity and the powerful, new Simrad TripIntel trip computer.


The HX380 from Standard Horizon is a commercial-grade submersible handheld VHF packaged with a 1,600 mAh lithium-ion battery that provides up to 1hours of use on a charge. It is factory programmed with all USA VHF marine channels and features a dedicated button for quick access to emergency channel 1and hailing channel A preset key allows quick access of up to commonly used channels. A 110-volt AC and a 12-volt DC charger are standard.


SonicHubfrom Simrad upgrades the original SonicHub audio entertainment system to allow complete control from Simrad’s NSS evoand NSO evoMFDs and glass-helm systems. Features include Bluetooth audio streaming, a video output for playing files from a USB drive, dual USB ports for connecting and charging multiple devices, a 50W-by-amplifier and integrated support for Pandora internet radio via mobile device.


With a 12-inch multifunction display, an internal GPS antenna as well as an internal fishfinder, the NavNet TZtouchcombines striking design with simple operation for a sonar/chartplotter combo that helps you stay on the fish.

Order Now

Doesn’t matter whether you are a professional angler or just a passionate beginner, when it´s about getting the biggest fish we all agree that we want the latest, newest and most useful gear with us. Considering your requirement we’re presenting all the best fish finder reviews through this site. After you finish reading this article you will be such an expert that you will want to sleep and kiss your fish like my friend here.

Getting to the point, we know how important it is for every angler to find the equipment that fits them the best. Therefore we have chosen ten (10) of the best Fish Finders in the market that will take your experience to the next level. Since we know not only professional anglers will read this article we would like to give a little overview.

Fish finders are useful equipment that allow the angler to see a graphic representation of what’s underneath the boat to identify or not the presence of fish.

Before you go to any seller and order one you have to ask yourself what kind of Fish Finder you need: standalone, chartplotter combo or network? If you have a small boat, your budget is limited, you are just starting on the angler world and don’t want to risk so much, or you just like to go as old school as you can, the standalone version is the best for you.

It will fulfill the main propose of the equipment which is to let you see what’s beneath the boat, and whenever you want to go bigger is always possible to connect a GPS sensor later to convert it into a chartplotter combo.

Then we ask ourselves what benefits can give us a chartplotter combo? A combo unit is useful for the ones that have a mid-size boat or bigger. It uses GPS as navigation system to reach the fishing grounds, also offers you the option to split the screen so you can view the chartplotter and the fishfinder.

The installation of a transducer can convert your chartplotter into a combo unit as well. Read more about the transducer in our “Buying Guide” at the bottom. At last but not least the fully Networked system are suggested for all major suppliers because allow huge range of data sources as are radar, video, satellite radio, raster and vector GPS charts.

Usually this type of equipment allows Bluetooth/WiFi connections and is compatible with Android and IOs. In this same range we can consider the multiple-display network systems that are the perfect match for medium-sized to large vessels.

Now that we have a clear panorama on at least the main three categories of fish finders we can start with our list.

Device Screen

It’s a widespread fact that LCD Displays consist of so called “Pixels” which are nothing more than the smallest controllable elements of a picture on a physical display device. The more pixels are being stacked up on each other (vertical orientation) the higher is the depth oft the resolution.

The amount of Pixels in horizontal orientation determines the life cycle of an Object on the screen before it gets swiped out of the view by gestures supported by modern Technologies like Touchscreens.

A high density of Pixels per square inch result in a better detail of Images and a general improved ‘feel’ oft the Screen. It also allows you to recognize better what’s below you and the split-screen images are also of higher quality. A decent amount of Pixels, screen resolution and screen size make it easier for you to spot air bladders of smaller fishes, fishes on the ground and target individual fishes.

Another important factor is the contrast that your display offers. It has to be sharp and exact for a cleanless identification of your target fish and its separation from mud. All in one you should consider aiming for a device with a good display resolution.

Diagonal measure of screen size

A widescreen display has the ability to display more meaningful information at once. For example you can locate your elements individually or you can use it to run and display the different programs your device offers at once (e.g. GPS, Radar and other Sensor signals).

CHIRP and Broadband fish finders

Broadband fish finders are a modern trend on the market they are also known as Compressed High Intensity Radar Pulse, shorty CHIRP. The difference is that these fish finders don’t operate statically on one or two frequencies like the traditional fish finders.

It sends out a signal on a specific Frequency and swings it up to another predetermined frequency. A CHIRP fish finder differs in its performance from traditional fish finders by having less peak power.

However the advantage of its wide-band frequency technology allows it to transmit long during pulses and therefore put up to 50 times more energy into a water. Because of the application of scientific algorithms like digital pattern matching and signal processing a CHIRP device offers outstanding screen resolution and intelligent target detection. Instead of spotting masses of fishes you’re able to locate individual fishes within its groups.

A depth range of 300-500 Meter is easily attainable with these broadband devices which also offer highest sounder technologies.

Most of these sounder technologies include dual-transceivers which permit asynchronous and independent operations on high and low frequencies and a certain level of freedom to customization. Each transceiver is in to your needs.

Higher frequencies should be used for mid-water depths.


It’s important to identify which features you really need. There are devices with high frequency transducers that allow sight into different angles like side, straight down or a 360-degree View.

There are many variants of features which often lead to a confusion in the selection of necessary attributes. For example an inland angler who’s mainly looking for fishes in shallow lakes won’t have any use for a feature that allows you to stare down 2500 Meters.

Avoiding devices with that feature will most of the time save the fisher some money. Instead he should focus on a horizontal-based view. Nowadays you can identify devices that suit your needs by its names like “StructureScan HD” or “CHIRP DownVision”.


An In-hull transducer doesn’t require a direct water contact. It’s glued with silicone or epoxy to the inside of the hull. Unlike other transducers it doesn’t work on cored or steel hulls but on stable fiberglass. Just like the transom-mount transducers In-hull transducers are popular on trailer boats.

Trolling Motor

A trolling motor is clamped to the outside or permanently installed inside the propeller hub of the trolling motor. Some models include a built-in 200 kHz transducer that suits a lot of popular fish finders.

Let’s get some fish finder reviews so that you have the best product or gear for fishing at best. 

Points to be careful

We know that it is really hard to pick the product that fits you the best, so we want to make a little resume on steps to consider when choosing the best fishfinder followed by our useful Buying Guide.

Always remember that in the race to become the best angler you are not alone but only depend on you to do what requires to be the best one. So grab the best fish finder reviews and choose the best gear to be a professional angler. 

Considerations when researching new echo sounders

I have listed some points you may wish to consider when purchasing a new or upgraded sounder. 

Firstly, what is the sounder’s intended use? If it is primarily for navigation purposes and an accurate measure of water depth, then a depth sounder with a digital read-out and without all the fish-finding functions will do the job. 

If its intended use is for fishing, a sounder specifically designed for that purpose would be needed. 

Generally, when first starting out, fishers start with a basic entry-level sounder, and in most cases that is all they will ever need. Those who venture out to deeper water will require a higher performance transducer, low frequency output, and functions such as TVG (Time Variable Gain). 

Because today’s echo sounders and transducers are manufactured to the highest technological standards, it is difficult to make comparisons between the different models within the same price range. This is because they generally use similar technology and have similar screen view presentations, operating functions, frequencies and settings. The only real difference is in the menu systems.

Transducer performance can range from low, medium to high, which affects the depth at which underwater objects can be detected. Therefore, the depth range the sounder will be to be operated must be within the transducer’s performance range.

Screen view options  Full screen view showing the complete water column from the bottom to the surface.  Split screen view with each side showing a different section of the water column, using a bottom follower.  Full screen View Bottom Lock.

It is always handy to have a large display screen. For many small boat owners this is not an option due to the cost, and in many cases there is no room to fit one. 

Often this is no major issue because echo sounders specifically designed for fishing usually feature a range of screen view options that allow the operator to enlarge, expand or zoom any section of the water column within the display screen.

When targeting demersal fish (those near the bottom), I set the display screen on full-screen view to start with. Then, when I detect fish targets or a bottom structure I want to have a closer look at, I switch over to picture zoom, bottom zoom, marker zoom, or bottom lock to closer investigate the section of the water column in question. 

When I want to view fish targets, such as pelagics, in the middle levels of the water column, I switch from a full-screen view to upper and lower depth ranges, where I can view any section of the water column – for example from 30-60 meters. 

Some examples of the situations described above are shown in screen captures hereabouts, which are acoustic images of fish and bottom structure, using different screen view presentations commonly found in echo sounders designed for fishing.

During rough weather conditions the recording of the seabed can become very ambiguous, caused by the boat heaving and pitching, rising and falling over the swell and waves. In this situation I always switch over to bottom-lock, where fish targets can be seen much clearer above the seabed bottom-lock line. 

Some fishers prefer to use the seabed bottom-lock function even in calm conditions; I am also one of them. I commonly use the bottom lock display when fishing rivers, to obtain information about the nature of the bottom; this can be achieved by closely observing the changes in the bottom echo signal below the bottom lock line. An amazing range of information about the nature of the bottom can be obtained from this function.   Viewing a section of the water column using depth range function. The column to right is the A Scope.

Transducer power output and frequency selection

The performance level of the connected transducer determines a sounder’s operating range. 

Sounding in water depths of 0-60 meters only requires a low performance transducer. Operating depths of 0-200 meters will, at the very least, require a medium performance transducer.  

Sounding in water-depths of 200 – 600 meters will only be achieved with a high performance transducer.

High frequency (200 kHz) is selected in shallow water, and will produce highly resolved screen pictures in shallow water depths. The depth-range at which this frequency can be operated is restricted, due to its high acoustic absorption loss through the water during transmission. 

Lower frequencies (83/50/2kHz) should be selected in deep water, and will produce less resolved screen pictures. Due to their low acoustic absorption loss through the water during transmission the depth-range at which these frequencies can be operated is less restricted. 

Beam angles

It is also important to understand your transducer’s beam angle as this allows you to estimate the size of the detection area under the boat in the depth-range you are fishing. 

For example, if you are fishing in a depth of 200 meters and your beam angle is 4degrees, the transducer’s detection area, directly under the boat, will cover an area of approximately 15metres in diameter.

Mobile or Fixed

For more settled fishers and watercraft owners, a much better option is a fixed unit that they will be able to mount at any precise location on their ship. In accordance with your preference or needs, it is possible to mount the transducer either on the stern, hull or trolling engine.

Lucky Rechargeable Wireless 40m Depth Fish Finder

Editor Rating      Well, this is a new model out there and the price is very low to be satisfied with. If you are looking for something at a brilliant price range then this is the model that you should go for. Do not think that the product is bad only because it comes at a very low price. The product is actually very good if you think about the features that you get within the price that you are paying. The product is hugely sold in the market and it is tough to get a copy in any situation.       Therefore, you have to keep your eyes open if you want this model. The range is 180 meter inside the water and the depth capability is strong enough. Overall, this is a very handy model to go for.

Global Positioning System

GPS is the most imperative feature of best fish finder GPS combo. With an excellent GPS, you don’t need to worry about getting lost in your fishing adventure. It will instantly pinpoint your exact location. Also, you should consider saving your favorite fishing spots. Some units come with pre-installed maps that provides precise locations of lakes and rivers along with popular fishing spots. Whereas some fish finders let you connect with your marine radio and transmit particular coordinates in case you face any problem while you are on the water.

Depth Range

To make sure you are getting best out of your fish finder, you must ensure that you are getting a sufficient range of depth. If you prefer fishing in shallow waters, then a low-end model might be sufficient for your needs. However, if you are looking forward to deep sea fishing, you must consider a device that has longer range. For shallow water fishing, even 500 yards is enough whereas for a sports fisherman, a unit with 1500 feet or above depth range is preferable so he can easily see everything that is beneath him.

Garmin Echo 5dv

The best thing about Garmin Echo 5dv is that it is equipped with all the advance features that you must be requiring to enhance your big fishing game. This is among the best units to be used in deep waters. With 500W RMS transmission power, it allows sonar to reach as deep as 2300 feet which is pretty impressive.

Further, the transducer comes with dual beam sonar having 77-200 KHz and dual frequency of 50-200 KHz. Featuring inch VGA color display with 480×640 pixel resolution, it offers clear and crisp image. You can easily go through the details under water surface. The other top feature of 480×640 pixel resolution is DownVü technology which maximizes the sonar potential with the use of high rate frequency that guarantee you superior image of underwater movement. Also, you can make use of split-screen to view two different sonars at a time.

Garmin Echo 5dv is easy to install, presents sharp images and is waterproof. It offers equally great performance in heavy rains or rough seas. Overall it’s all in one fish finder. A highly practical unit that you must purchase to up your game.

NorCross HawkEye F33P

NorCross HawkEye F33P is one of the most popular fish finders GPS combo. The unit is simple yet incredibly innovative. The model is designed to give you readings of underwater activity up to 100 feet thus it can be an excellent choice for beginners. It fits snugly into the palm of your hand and the screen is quite easy to read. Unlike other fish finders, it does not draw an image instead show little symbols for either fish, structure or weeds.

Besides, you can select sonar sensitivity up to settings. The transducer is pretty cool. It’s up to you to either toss it in the water to float it, troll it if you are in a boat or pressure cup mount it on the boat. Additionally, you have an option to handle mount it on a long road and achieve high targeted readings in your desired direction. What we find the best about NorCross HawkEye F33P is that it is exceptionally small and around three quarters of the price compared to any other entry level fish finder on the market. You can conveniently fit it in your pocket, backpack or any other storage you like.

Humminbird 597ci HD DI

Humminbird 597ci HD DI is a commendable fish finder GPS combo that make sure you clearly see the fine details under water using the powerful 455/800 kHz Down-Imaging sonar and the 200 kHz down-beam sonar. The sonar frequency is appropriate for people who want to fish in shallow and medium deep water. Featuring Down-Imaging technology, it allows you to see the structures and underwater activity up to 250 feet.

The device comes with the power output of 500W RMS and 4000W Peak-to-Peak consequently letting you operate the advanced features smoothly. The 5-inch bright color screen presents beautiful graphics with 25colors and 640×640 pixel resolution. Moreover, using LED backlight technology, you will be able to view the screen perfectly at any time whether its sunlight or late night. Humminbird 597ci HD DI comes with 50 channel internal GPS to guide you through the rough and tough waters. Whereas the pre-installed map will show you accurate locations. Also, you can upgrade the map or save waypoints. In addition to that, there is an SD card slot to transfer data quickly.

This fish finder is designed while keeping in mind high reliability and compactness as a foremost priority. If you are looking for a durable and waterproof fish finder with impressive sonar qualities, Humminbird 597ci HD DI is a right pick.

Lowrance HDS-Gen 3

Lowrance HDS-Gen is one of the most prevalent fish finder GPS combo thus becoming the cheapest fish finder that money can buy. Though it is cheap, still equipped with cool features. It comes with a powerful sonar and crystal clear readable screen that lets you sit back and relax while the Lowrance HDS-Gen detects underwater activity.

Featuring powerful sonar, it works down as deep as 750 feet thus enabling you identify fish, structure and weeds quickly and effectively. The inch gray scale display presents the sonar data very clearly. The screen is big enough to be easily readable. Another prominent feature of the device is HD-ID technology that provides you with unmatchable target separation. Being one of the renowned brand in the fish finder industry, Lowrance guarantees high quality, compact design and extremely reasonable price range in comparison to other fish finders. The Lowrance HDS-Gen works impressively to provide data on depth, temperature, structure of the bottom and on top of that identified fish.

Lowrance Hook 7

Best kayak fish finder: Lowrance Hook is my first choice for kayak fish finder. Lowrance Hook is not just another fish finder, but a fish finder with advanced sonar technologies a seasoned angler would lover.Lowrance Hook comes with advanced sonar system like CHIRP sonar, Downscan imaging. You can combine the CHIRP sonar and Downscan Imaging to get a better view of what’s beneath your kayak. The device comes with a 7-inch high-resolution display.

Our Top pick for Best kayak fish finder: Lowrance Hook 7

The CHIRP sonar allows you to send multiple frequencies at the same time. Thus, you get a sharp and clear images with minimal clutter. This is great as you get to see more actual fish targets.

DownScan Imaging offers very clear photo like images of the structure and bottoms below your kayak. You can use both of these technologies at the same time for better understanding. You will also get ASP (advanced signal processing), GPS and trackback feature. If money is not a problem, then I would say this is the best fish finder for kayak.

Signstek FF-00Fish Finder

Signstek FF-00is a portable fish finder which is loved by many kayak anglers. Due to the portability, it is super easy for the anglers to maintain and fish at the same time. Signstek FF-00comes with a 2.8” inch 51color display. Even though the resolution is v240xH160, it is sunlight readable with the white LED front light.

Vexilar SonarPhone With Transducer pod

A lot of kayakers hates the installation of a fish finder. For them, Vexilar sonarphone is an excellent choice. This portable fish finder is a perfect fish finder for kayakers. It is very simple to use and maintain.

Vexilar SonarPhone uses a wireless connection to connect to your smartphone. The connection process might take a little extra time at the first attempt, but once it is connected, you will start to receive the sonar data on your phone. It can connect to both iOS or Android smartphones. There is a free app for both iOS and Android. Besides the regular sonar data reading, there are several other features you will find in the app. The app is currently available in 1different languages.

The space saving design and portability makes it an exquisite fishfinder for kayaks. You can even use this for ice fishing as ice flasher. It can be used in both freshwater and saltwater, but freshwater is preferred.

NorCross HawkEye F33p Fish Finder

NorCross HawkEye F33p is a small portable fish finder for anglers. This fish finder can be very handy to the kayak users for it’s space saving design. You can put NorCross hawkEye F33p on your palm and feel the power of this tiny fish finder.

NorCross HawkEye uses an ultra-wide 25-degree sonar beam angle which delivers accurate depth, fish, and bottom structures. The depth reading is from 1.to 99.feet. This kayak fishfinder is very easy to use. Not only a beginner would love this device, but a seasoned kayak angler would love the simplicity. Norcross HawkEye F33p is one of the best budget kayak fish finder for sure.

General Consensus

This is a very basic fish finder that gets the job done, no more, no less. Some of the nice features include its easy transfer between boats or kayaks, it’s easy to use, and perhaps most importantly – it’s really cheap; one of the cheapest on the market.

We mentioned it gets the job done, but we should make it clear that this fish finder is good for up to 330ft (100m). Anything deeper and it won’t be able to reach, so consider this fish finder best for shallow water. Other than the lack of advanced features (which you may or may not care about), we’ve heard a few complaints about durability and water leakage problems, but they seem few and far between. thumbs-o-down

Fish Finder Transducer

When you’re looking around for fish finders online, the display image is often on the console/screen that you look at while in the boat. However, this piece doesn’t really do the “heavy lifting”, rather, another piece called the transducer is where the bulk of the work takes place.

The formal definition for “transduce” is the process of converting one type of energy to another. In the case of a fish finder, the transducer emits sound waves (or “pings”), then receives the returning signal and sends that to the console in the form of an image. Therefore, the transducer is often mounted on a different part of the boat than the console, usually connected by a cable.

Most fish finders will already come with a transducer, so you don’t have to worry about trying to match a fish finder with the correct transducer. However, we do recommend paying close attention to the transducer specs because different water conditions will require different transducer settings for optimal detection of fish and smaller objects. Similarly, perhaps you already have a fish finder and want to change to transducer because you now own a different boat or fish different waters than you used to. In any case, knowing the basics of transducers can really help you feel comfortable in the choice you make.

Transducer Frequency

We won’t get overly technical here, but the frequency is one of the more important specs to pay attention to when picking out a fish finder and associated transducer. First of all, how do you know what number is the frequency if it is not labeled with “frequency”?

Frequency is measured in the units “Hz” (Hertz), where HZ means per second. Fish finders typically operate in kHz, so if you see this unit, then you’re looking at the frequency! Some of the most common frequencies you will see are 50kHz, 83kHz, and 200kHz.

If you have been looking for a fish finder already, you may have noticed that often times there is a “/” (slash) between two numbers, such as 50/200. This means that the transducer can operate both at low-frequency and high frequency. The fish finder will either be able to toggle back and forth between the frequencies, or sometimes they can display both in a split-screen appearance.

What Frequency Do You Need For Your Fish Finder Transducer?

Low-frequency (e.g. 50kHz) and high frequency (e.g. 200kHz) transducers each have their own strengths and limitations that are pretty much opposite of each other. Depending on where you’re fishing, a low frequency may be more suitable than a high frequency, or vice versa. Here’s the basic information you should know when selecting a transducer frequency:

Low frequency pulses can travel further through water. Therefore, if you are fishing in deep water and want to know the water depth, as well as see any bottom dwellers or snag-prone objects, then a lower frequency may be best in that situation. If the water isn’t too deep, then you may prefer a higher frequency, as the pulses simply won’t need to travel as far. Furthermore, high frequency pulses offer better detail on the screen, and therefore may be better at picking up smaller fish or details about the vegetation in the water. If you’re on a lake with varying depth, type of fish, or water clarity, then it may be beneficial to have a Fish finder with both low and high frequencies available.

It’s tough to know exactly what frequency will be needed for a particular depth because it also depends on water temperature and murkiness (lower frequencies are better for murkier water). The “general” threshold commonly used is 200 feet, whereby higher frequencies, especially a single frequency, may be best suited to water depths under 200 feet. Lower frequencies, such as 50kHz, are likely to be better for water depths greater than 200 feet. But like we said, this is a general guideline and not meant as a written-in-stone rule.

Transducer Power

If you’re on the hunt for a new fish finder, the power, which is basically the strength of the signal being emitted, won’t be an overly important spec to consider assuming you are already considering the frequency. In a nutshell, lower frequencies are typically coupled with a higher power, and higher frequencies are usually coupled with a lower power. Given what we already know about transducer frequency, we can guess that lower power is ideal for reaching greater depths. This is in fact the case, and is why you will often see frequency reported in the product description, but power may be a little more difficult to find. If you are looking for the power of a particular transducer, it will have Watts (W) as the units, and they usually range in the area of 100-1000W (RMS).

One thing to note about transducer power is that while you may be able to mix and match components of different fish finders, mixing components from systems with way different power specs can decrease the longevity of your fish finder. So while it could work in a pinch, and sometimes even improve the quality of the images you receive if you swap to a transducer with a higher power, that may come at the cost of decreased durability.

Transducer Beam Width or Angle

If you’re learning about the different features of fish finders, often times you will see information about the beam width or beam angle of the transducer. This can be considered your area of coverage, or the area you are able to “see” underwater. When the sound pulses are emitted from the transducer, they are emitted in the shape of a cone, whereby the covered area grows larger the deeper the sound penetrates (like an upside-down ice cream cone). Therefore, smaller beam angles cover less area while larger beam angles span a larger area.

The beam width of your fish finder will depend largely on the frequency. The lower the frequency, the larger the beam angle. The higher the frequency, the smaller the beam angle. Low frequency/large beam angles are great for covering a large area underwater and gaining a general sense of where the fish are and how many there are. High frequency/narrow beam angles are great for shallow depths and provide more detail of the underwater environment.

Fish Finder Console

Alright, enough about how best fish finders work, just show me the fish! The console is the part of the fish finder that will map out the depth and display any fish in the area. There is actually quite a variety of consoles available, from black-and-white to color, from a small to the large screen, different resolutions, etc. So while it’s extremely important to focus on the transducer specs, knowing more about the console can increase the chance that you will end up with a fish finder that is perfect for your needs and wants.

Console Screen Size

This is a pretty simple one. Many people like consoles with a larger screen, but they tend to be more expensive as well. Chances are if you’re looking at a fish finder that is relatively expensive and has a large screen, that it may also be capable of displaying more than one image. For example, dual frequency fish finders can sometimes display a split-screen image, but you need a large enough screen for this. So if you’re wondering why it’s so much more expensive for a fish finder with a larger screen, check the more specific capabilities like dual frequency and split-screen display, as that may be a factor as well. However, please keep in mind that a large screen doesn’t have to mean advanced capabilities, there’s just a decent chance that it does.

One thing to keep in mind about screen size, especially if you are looking for a fish finder as a gift, is eyesight. While fish finders are often mounted in convenient locations on the boat, you won’t always necessarily be directly next to it. It can be a hassle to always have to get to the screen, move in close, and squint to see what’s on it, so if any eyesight issues are at play, it’s probably better to lean towards a console with a larger screen.

Console Screen Resolution

May you notice some brands boasting or higher-end fish finders boasting about their higher screen resolution? So why does the resolution on the screen of a fish finder matter? Simply put, the more pixels there are on the screen, the more detail can be displayed. But how do you know how many pixels are on the screen? If you look at a product description and see something like ‘480×640’, that means the screen is 480 pixels wide by 640 pixels tall. Sometimes you may also see or hear “high definition” or “HD”. While there are subtle differences between “resolution” and “definition”, they are practically the same when it comes to the actual application.

Without going too in-depth, there is a little bit of interplay with screen size. Larger screens are usually capable of packing in more pixels, so it’s a good idea to consider both. For example, let’s say we have the one really small screen and one really large screen, both with the same resolution. There will be no difference in the amount of information displayed. The big screen will simply display a larger image. However, let’s say we have two screens that are the same size, but one is high resolution and the other is low resolution. The high-resolution screen will provide more detail than the low-resolution screen.

Down Imaging

On certain fish finders, usually the higher-end models, you may notice they talk about “down imaging”, “DI”, “down view”, or “DV”, or some variation of that general form. This is a pretty cool feature that can definitely come in handy at any time, but especially if you are in an area with lots of vegetation on the sea/lake floor, or if you’re trolling close to the shore.

The benefit of down imaging is that it can provide a much clearer view of what is directly under your boat. In this case, a high-frequency sound waves are sent out in really small “slices” instead of a wide cone. The result is a very clear image that almost looks like a photograph because it provides so much detail, it just cannot cover as large of an area as the standard transducer function. However, these down view images can usually share a screen with the standard display in order to provide a comprehensive sense of the underwater environment around you.

Black and White vs Color Console Screen

The obvious tendency here would be to go for a color screen, but color screens are often more expensive, so is it really worth it go with an expensive color screen over a cheaper black and white display? Here are a few things to consider when trying to make this decision:

Color screens tend to offer better contrast and are often better for identifying fish that are close to other objects, such as the bottom and associated vegetation. Color screens can also sometimes employ higher resolution, which could further assist in this matter.

So when is a black and white display favorable? For starters, if you are on a budget, then you can definitely find cheaper black and white displays. Similarly, if you are a beginner and not really sure what your preferences are or how much you will use it, then we would suggest a basic model learn on first, and this will likely be black and white.

At the end of the day, it’s not only about black and white versus color. All features need to be considered, and perhaps one particularly important feature to consider along with display color is screen resolution. In our opinion, resolution, or “pixel count”, is much more important than the color of the screen. So let’s say you are deciding between a black and white display and a color display. If you notice the black and white display has a higher screen resolution than the color display, then the black and white display could be a good option if you are looking to save some money with the best fish finder and don’t need anything overly advanced.

Thе Frеԛuеnсiеѕ

Thе Frеԛuеnсiеѕ thаt thе fish findеr uѕеѕ are рrоbаblу thе mоѕt imроrtаnt fасtоr whеn уоu choose your kауаk fiѕh findеr аѕ it will dеtеrminе thе kауаk fiѕh findеrѕ еffесtivе depth аt finding fish аnd it’s соnе аnglе(width it will find fish, ѕее bеlоw). Highеr frеԛuеnсiеѕ likе 192.200 kHz wоrk best in ѕhаllоwеr wаtеr, whilѕt the 50 kHz trаnѕduсеrѕ wоrk bеѕt fоr uѕе in dеер wаtеr for bоth соmmеrсiаl and рrоfеѕѕiоnаl use. It’ѕ imроrtаnt tо kеер in mind thаt the higher the frеԛuеnсу, the mоrе detail ѕhоwѕ uр оn thе ѕсrееn.

Thеrе аrе kауаk fiѕh finder thаt аrе сараblе of ѕеnding out multiрlе 400+ kHz frеԛuеnсiеѕ, whiсh trаnѕlаtеѕ intо widеlу detailed imаgеѕ whiсh аllоwѕ уоu tо ѕwitсh between thеm fоr brоаdеr аnd more precise and ассurаtе views.

Thе Screen Rеѕоlutiоn

Screen resolution denotes thе amount оf pixels your fish finder’s ѕсrееn diѕрlауѕ. A fасtоr thаt’ѕ сruсiаl fоr thе рrоduсtivitу of your kayak fiѕh findеr iѕ the screen resolution. Rеѕоlutiоn rеfеrѕ tо thе pixels or dоtѕ on thе ѕсrееn, whiсh соntаin thе ѕmаllеѕt аmоunt of detail. Thе collection оf individual pixels together wоuld fоrm thе ultimаtе рiсturе thаt you gеt to see оn the ѕсrееn. Thе grеаtеr thе numbеr of pixels is, the mоrе dеtаil уоu gеt. Thе minimum you want a screen tо show wоuld be 240 x 160 рixеlѕ, whiсh mеаnѕ thеrе аrе 240 рixеlѕ (dots) in hоrizоntаl linеѕ, and 160 dоtѕ in vеrtiсаl lines.

Thе Pоwеr

A vеrу сruсiаl fасtоr to соnѕidеr bеfоrе рurсhаѕing a kауаk fiѕh findеr is the power оutрut. Thе роwеr оf kауаk fiѕh findеr еԛuiрmеnt is mеаѕurеd in wаttаgе. Thе greater the wаttаgе, the fаѕtеr your kayak fiѕh findеr can display readings, which are dеереr under water it will rеасh. Likеwiѕе, thе lеѕѕеr thе wаttаgе, thе slower it will bе, and ѕuitеd mоrе for shallower waters. It’ѕ bесаuѕе оf thе fact thаt thе fiѕh findеr receives аnd trаnѕlаtеѕ the ѕоnаr wаvеѕ it rесеivеѕ frоm thе trаnѕduсеr. If thе overall роwеr iѕ less, the sonar waves will bе wеаkеr and would ultimately lеаd tо fuzziеr rеаdingѕ. Grеаtеr power translates into ѕtrоngеr wаvеѕ and much сlеаrеr аnd dеtаilеd rеаding.

Thе Trаnѕduсеrѕ

Whеn you асԛuirе уоur kауаk fish findеr, it’ѕ imperative to kеер in mind that the trаnѕduсеrѕ аrе ѕignifiсаnt tо itѕ usefulness. Thе transducer iѕ whаt еmitѕ аnd receives thе sonar wаvеѕ. Thе trаnѕduсеrѕ send the ѕоnаr ѕignаl intо thе wаtеr аnd thеу bоunсе оff objects underwater to bе received bу the transducer. Mоѕt of thе modern day fiѕh findеr unitѕ соmе with transom mоunt trаnѕduсеrѕ that rеԛuirе vеrу littlе inѕtаllаtiоn, whiсh mаkеѕ their inѕtаllаtiоn simple. With thе mоrе еxреnѕivе and аdvаnсеd tуреѕ соmе with a ‘thru-hull’ tуре оf transducer mаkеѕ for thе easiest of installations.

Thе Bаttеrу Lifе

Thе роwеr ѕоurсе is аn imроrtаnt fеаturе whеn purchasing уоur kayak fiѕh findеr unit аѕ уоu won’t be having ассеѕѕ to роwеr sources while уоu fiѕh. It’ѕ imроrtаnt tо kеер in mind that thе bаttеrу thаt comes with thе Kayak fiѕh findеr саn mаkе a big diffеrеnсе tо itѕ usefulness. Thе bаttеrу саn be a ѕtаndаrd marine bаttеrу, but mаkе ѕurе thаt it can bе расkеd in a wаtеrрrооf bоx оr a cover. Yоu can thеn run thе wirеѕ frоm the bаttеrу tо thе trаnѕduсеr and diѕрlау. Yоu саn еvеn рurсhаѕе a kауаk fiѕh findеr thаt comes with waterproof battery расkѕ built intо the саѕе. Othеrѕ mау rеԛuirе a ѕеt оf third party bаttеriеѕ. However, keep in mind that you nееd high ԛuаlitу batteries with a long run lifе tо mаkе ѕurе that thеу dоn’t diе оn you whеn you rеаllу nееd thеm.

Cоnе Anglеѕ and Bеаmѕ

Before уоu рurсhаѕе kауаk fish findеr, make ѕurе that you рау сlоѕе attention tо the соnе angle. It rеfеrѕ tо how wide оf a bеаm iѕ ѕеnt frоm the bottom of your bоаt into thе water. It lооkѕ likе аn uрѕidе dоwn ice сrеаm соnе, the widеr thе dеgrее of thе соnе, the larger thе area thаt’ѕ bеing соvеrеd. As уоu go dеереr, the cone gеtѕ widеr. It’ѕ important to know that аѕ the соnе аnglе gеtѕ wider, the ѕеnѕitivitу ѕtаrtѕ to diminish in deeper waters. Trаnѕduсеr соnеѕ аrе аvаilаblе in ranges of dеgrееѕ tо grеаtеr thаn 60 degrees. However, most units thаt аrе аvаilаblе on thе mаrkеt vary between 1and 20 dеgrееѕ with a 20 dеgrее соnе bеing a gооd choice.

How Fish Finders Work

Maybe you do not know how the fish finder works. Knowing this helps you to operate it. The inventor of the fish uses sonar sound waves that reflect the sound of objects in the water to display objects and objects in the water. The image of the object can be formed because the sonar sound is re-reflected from the object back to the fish finder. It may seem simple, but actually, this technology is costly because the price of technology development is costly and takes a long time. Almost all fish finders use this sonar technology.

Large Touch Screen

Lowrance HDS-Genuses a large touchscreen with a size of inches so that your view will be more convenient and comfortable. With this touch screen you can also use two maps at once without reducing the display resolution on the monitor. If you are modeling the bottom of a lake or river in real-time, the resulting visualization is also excellent.

Mapping Technology

The mapping technology installed on this tool is very sophisticated. Its results are at high prices. Using this tool allows you to find fish. You can scan all areas around you and produce 3-D mapping with high-resolution monitor quality.

Integration with your mobile WiFi device

NSS Evois unique because you can integrate the operation with WiFi on your mobile device. So you will have two ways to control the operation of this unit, i.e., with NSS Evotool directly, the second by using your mobile device.

Easy to use

Lowrance HDS Genis made in such a way that it is easy to use despite its many features. The touchscreen is still augmented with a button on the right so that it can be operated when the user uses gloves, for example when winter or when the air is very cold which requires the user to wear gloves. This unit is also waterproof. The manuals available in the purchase package are quite complete, and although without reading the user manual can still operate as it is easy. HDS Genis also compatible with many of the available transducers on the market.

Wireless Connection

HDS Gencan use a wireless connection making it easy to connect to other devices such as the HDS GenTouch display. But to do this must be connected to DC power and electricity. Also, wireless connections can also be used to perform software updates.


The Sonar CHIPR is very good, precise and accurate, and there are also chartplotter with features that are complete and many and compatible with many other mapping packages such as Humminbird LakeMasetr and Navionics.

With Helix Si you can see objects in the water well up to a depth of 1500 feet with a regular Sonar. When using Side Scan Sonar can meat to a depth of 240 feet on each side of your ship. The use of Sonar Side Scan can be tailored to your own needs.

CHIRP Technology

Garmin Striker uses CHIRP technology to create what visualization is in the water. This technology uses traditional sonar and single frequency. Also, the GPS technology of this device is quite good and can know the position in real time. The GPS hardware is located inside this waterproof device.

The screen of this device is small, but more features than similar devices with the same price range. You have nothing to lose when buying this Garmin Striker 4.

Garmin Striker is not good for sea water. This device is more suitable for use in rivers or lakes. It is quite disturbing but comparable to its ability. Can be used for seawater but the results are not good.

Shapes and Views

Each fish finder has different screen sizes. The high-resolution screen is better than the low resolution because with the high-resolution screen then you will be able to see more detail. Screen size we recommend at least inches with a minimum resolution of 240 pixels. Below that the result will not be good. Maybe you need to set aside more budget to be able to buy fish finder with big screen and resolution. With a bigger screen then the thing that is displayed will be more so that the information we also get more.

Then we also suggest you find fish finder with the color screen. Fish finder with a color screen will give a clearer picture of the fish finder visualization results than on the monochrome screen.

Electrical Power

You need to take into account the electrical power required for the fish finder to work. With higher electric power allows better search results and commonly used in deep waters. High power is estimated at over 1000 watts. As for shallow waters lower power to power about 600 watts because the workload is not heavy.





How to save up to 86%? Here is little trick.

You must visit the page of sales. Here is the link. If you don’t care about which brand is better, then you can choose the Depth Finders by the price and buy from the one who will offer the greatest discount.



Final Word

First of all thanks for reading my article to the end! I hope you find my reviews listed here useful and that it allows you to make a proper comparison of what is best to fit your needs and budget. Don’t be afraid to try more than one product if your first pick doesn’t do the trick.

Most important, have fun and choose your Depth Finders wisely! Good luck!

So, TOP3 of Depth Finders



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