A fish finder is a type of equipment that every fisherman needs, regardless of his experience level.

You may be an absolute beginner, or you may be a very advanced fisherman – in both cases, you cannot do without a good fishfinder.

Fortunately, these days, quality fishfinders do not cost as much as they used to.

Now, it is possible to buy very good fishfinders for seemingly cheap prices.

Also, you can choose from a huge number of attractive options too, no matter what kind of a fishfinder you want.

Lowrance Mark-4 Chartplotter/Fishfinder with Transducer Review

A brand that is esteemed very highly by fishermen in every part of the world, Lowrance has a record of manufacturing products that are unquestionably reliable.

Great thing is, Lowrance products do not cost a lot, but still provide excellent value.

Are Batteries IncludedNo
Screen Size4
Display TypeLCD
Item Dimensions LxWxH4.3 x 3.3 x 1.5 inches

The Mark 4 from Lowrance is a fish finder that comes with a powerful GPS and a memory card slot.

The fishfinder is especially capable of tracking great fishing spots to help you save time during your trips and this detailed Lowrance Mark-4 Chartplotter/Fishfinder with Transducer Review will give you more clarity on why you should purchase this.

Lowrance Mark-4 Chartplotter Fishfinder

  • out this item
  • 4-Inch greyscale LCD
  • 300 Watt 83/200KHz fishfinder
  • Ultra-accurate Internal Gps Antenna

The GPS system packed by the model is not only accurate but also rich in features. To deal with lakes, you get pre-loaded topo features.

Also, the sounder of the product works very nicely, giving you the impression of dealing with a regular fishfinder that is very trustworthy.

Additionally, its down scan is capable of serving you really well, too, considering the price.

As far as the screen goes, you can count on its brightness.

It can be read easily during sunny days without the slightest bit of problem, and also, its night backlight can be said to be pretty good, too.

Although the display offers greyscale shades, it gives you excellent menu navigation and optimum-quality readings. Its main features are:

  • Use of 83 / 200kHz frequencies, in order to assist you in locating important things around the boat, along with under your boat
  • The inclusion of a bracket makes it easy for you to time your fishfinder, and also, have it removed from the boat whenever necessary
  • Its LCD has a size of 4 inches, which means that you can use it without an issue even if your kayak or boat is quite small

Installation information and other important things

You can either use a DSI-type sonar with the Mark 4, or you can use a traditional one.

It is important to note that in order for your fishfinder to work optimally, you must put your transducer nearly 12 inches far from your engine in a location where the water seems calm.

That way you will not have to deal with unnecessary interferences with the readings you get.

Keep in mind that different sonar varieties demand different kinds of installation, though.

The good news is that the backlight of the model is very much adjustable. So, depending on the kind of weather you are facing, you can easily set it to give you the best results.

Other than that, the MicroSD slot that comes with the product can really help you a lot in certain situations.

What’s more, is that you can even save mapping information on your microSD card! Also, instead of having to set your preferences every single time, you can just set your ideal conditions just once and be done with it.

There are a number of modes to help you do that, including clear water, shallow water, and slow trolling.

This fishfinder, further, features a number of different page types. Its Steer page lets you know your present location with the help of a nice compass.

Lowrance Mark-4 Chartplotter Fishfinder

  • out this item
  • 4-Inch greyscale LCD
  • 300 Watt 83/200KHz fishfinder
  • Ultra-accurate Internal Gps Antenna

The same page locates your next destination, as well. Other than that, the Sonar mode exhibits echoes previews and water columns.

Plus, there is the Chart page which presents you a location map, giving you a real-time bird’s-eye perspective that is excellent, to say the least.

Also, the Overlay Data page can help you by making you familiar with the various overlay data that matter to you.

And lastly, the Chart/Sonar page shows you a split-screen, containing the sonar and the chart.

Top features at a glance

This particular fish finder has a huge number of different features on offer – features that are both attractive and useful.

The main features of the Mark 4 can be boiled down to the following:

  • 3-inch LCD having a monochrome design
  • Capable sounder providing 83/200 kHz
  • Downscan ability of 455/800KHz
  • Transom mount transducer to make things easy
  • GPS plotter that comes in-built

Main disadvantages

This fish finder does not have many disadvantages to be ashamed of. However, when you use the split-screen feature along with your GPS, you may find that the battery drains pretty quickly, lasting only about 3 to 4 hours.

Is it worth purchasing?

Considering that its listed price is just $199 and that many online stores sell it for prices even cheaper than that, you cannot really go wrong with it.

After all, it offers you far more features compared to other models which cost similarly. Not just that, it is highly durable and functional, too.

Understanding Fishfinders

To work with fishfinders, you must attach them to a good power source. Certain models use batteries directly, others use DIY connections made of cable, connected to a powerful battery.

Also, fishfinders cannot work without a transducer.

Lowrance Mark-4 Chartplotter Fishfinder

  • out this item
  • 4-Inch greyscale LCD
  • 300 Watt 83/200KHz fishfinder
  • Ultra-accurate Internal Gps Antenna

Simply put, a transducer is a small tool that works under the water to send sound waves via water to help your fishfinder display accurate readings.

Note that if your goal is to know in which spot fish are at any given moment, you must get a model that has sonar function.

Sonar function uses echolocation technology to display images with the help of sonar pulses.

Besides letting you know where fish are, it can help you know the temperature of the water, its depth, and the correct cone angle.

Fishfinders come with both colored displays and greyscale displays.

These days, more and more fishfinders feature colored displays, as opposed to greyscale ones. Also, the average price of fishfinders having colored displays is falling drastically.

Key Features of Lowrance Mark 4 Fish Finder

LED Display along with Grayscale feature

Lowrance Mark 4 Combo Base Fishfinder and Chartplotter comes with an LED display that provides protective features for your eyes and helps your eyes by preventing them from the strains.

This feature is most helpful when you intend to go fishing in daylight. This screen measures around 4 inches which ensures it provides you with detailed images and a greater area of viewing capacity.

There is also a backlight included with the display. This feature makes the device a handier option for even fishing in the nighttime and ensures a better view of the darker regions.

On the other hand, the hard ones produce bright yellow areas. The resolution of the screen is in the range of 320 X 240 pixels. This high resolution ensures you get clearer and more enhanced views.

Built-in GPS Features

The Ultra accurate Internal Gps Antenna is built into this amazing fishing tool. These features will help you to find out accurate and precise information regarding your targeted locations.

You can also get the details of the position of the fishes, bait, pits, and all the elements of the underwater world.

The GPS item of this unit works along with the chart plotter and together they make you’re marking quite effective and you can go for the successful exploration with this satellite technology-supported GPS features.

Chart plotting criteria

Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is a feature-rich fishing tool. Apart from the fish finding option, it can also work as a chart plotter.

You can enjoy this chart plotting feature of this amazing tool with the built-in GPS antenna within this device. Mark 4 is equipped with the Navionics Gold Cartography technologies.

You will also get some additional features along with this technology like the micro SD card slot which will make your cartography options more fruitful.

This technology is so enriched that you can even get all the functions of Navionics Hotspots Pro and the Navionics Premium.

Transducer mounted fish finder

You will get the upgraded versions of the Lowrance Mark 4 Combo Base Fishfinder and Chartplotter mounted with this transducer. This transducer has the combo of the dual sonar beam.

The range of frequencies of the two different sonar beams is different. The first sonar has a frequency a bit smaller, and it is 83 kHz. This small ranged frequency of the sonar will allow the users to get a broader cone angle.

Moreover, this frequency also ensures increased coverage area below the water surface.

On the contrary, the greater range frequency sonar beam consists of 200 kHz. This one is much more sensitive in nature than the smaller one.

This high range frequency of the sonar beam provides excellent services in the shallow water as it is equipped with amazing target discrimination.

Trackback Features

Another important and exciting feature of this device Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is its trackback features.

This tool is equipped with this integrated trackback feature which will save all the recent sonar data from the history and also make you able to return the info whenever you will need them.

Thus, you can access the previously stored fish targets, and also be able to recheck the previous exploration results saved in the device.

This function is also very easy to complete. All the things you just need are to move the cursor of the tool on the left side of the device through the history of the sonar display to create some reverse movements.

By using this exclusive feature, you can save valuable time that you might need to waste retracing the paths of the fishes.

Ease of the services

If you are a beginner and are going to use this device for the first time for your fishing purposes, you just need not be worried at all.

Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is one of the easiest fish finders you will experience while using.

This unit comes up with the quick-release tilting features as well as the swivel bracket options.

Thus this one is the most convenient fish finder for your operation. The operation of this item is very much straightforward and simpler to handle for the new users.

Menu settings options and all other controlling options of the device are also easy to handle.

You can also go for a one-hand operation with this item for making your fishing experience more suitable.


Yes, you can save all the information relating to your hot spot of fishing by using this device.

This unit comes up with the upgraded Navionics hotspot technologies, and it ensures the storage of up to 3000 waypoints and at the same time the labels of all these points. Thus, you won’t face any problems while using this unit.

What type of transducer is mounted with this fish finder?

Well, like all other fishfinder models, Lowrance Mark-4 Combo Base Fishfinder and Chartplotter also come up with the mounted transducer with it, and this transducer is of Transcom mount dual option with 83 by 200 kHz options.

What will be the range of maximum depth capacity of this unit?

This device comes up with the dual-beam sonar feature and it will provide you with the services of finding fish and exploring the down world up to the maximum depth range of around 1000 feet.

In which types of watery surfaces, this product will be best suitable?

You can use this Mark-4 fish finder for varieties of different regions and for different locations of the earth. This unit is good for fishing in the deep water level along with the shallow ones.

You can also use the product for the salty water spots and also in the freshwater regions. It’s totally up to you where you like to use the product for your fishing purposes.

Bottom Line

Finally, Lowrance Mark 4 Combo Base Fishfinder and Chartplotter is one of the best options if you want to learn the fishing techniques.

This item is a very user-friendly option for the newer fishermen. On the other hand, it has a lightweight body and one hand operative feature.

So, beginners will get an advantage. The professionals should not lose interest as this appliance also provides all of their required tasks. Enjoy your fishing time with Lowrance Mark 4 Combo Base Fishfinder and Chartplotter.

5/5 - (1 vote)

Welcome to FishFinder Review. Here at we will be examining a variety of popular fish finders, depth finders, GPS, and chartplotters.

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