Verdict overview
- worth the money 9.1
- Easy installation 9.9
- Precision 9.1
- Simple to use 9.3
- Tech Support 7.7
Pros
Easy installation process.
Adjustable viewing with tilt and swivel mount.
Reliable performance as advertised.
Cons
Distorted readings at full throttle.
Tech specs
product dimensions | 3.6 x 3.9 x 6.8 inches |
color | Black |
batteries | 1 Lithium Ion batteries required. |
whats in the box | PiranhaMAX 4 fish finder Tilt and swivel mount XNT 9 28 T transom-mount transducer |
other display features | Wireless |
item weight | 2 pounds |
special features | Transom mount transducer included, Dual Beam Sonar |
customer reviews | 4.6 4.6 out of 5 stars 866 ratings 4.6 out of 5 stars |
scanner resolution | 480 x 272 |
department | Unisex-Adult |
human interface input | Buttons |

Product Overview
I recently had the pleasure of testing the Humminbird Piranhamax 4 Fish Finder. As an avid fisherman, I was looking for an upgrade to my fish finder and the Piranhamax was the perfect choice. This fish finder is designed for anglers who want to take their fishing game to the next level. It packs a lot of features into a small package, making it perfect for those with limited space or budget.
The Humminbird Piranhamax 4 Fish Finder offers dual beam sonar technology, which allows you to see both shallow and deep water simultaneously. The 2400 watts PTP/300 Watts RMS provides great depth penetration and accuracy, giving you an accurate reading of your target species. The 4.3 inch display screen is easy to read even in bright sunlight, allowing you to clearly identify your target species quickly and easily. I also appreciate that it comes with a transom mount transducer included, so there s no additional equipment required.
As far as installation goes, the Humminbird Piranhamax 4 Fish Finder was very easy to install and setup. I simply followed the instructions provided and had it up and running in no time at all. It comes preloaded with North America Map type so I didn t have to worry about downloading additional maps or software updates.

The Humminbird Piranhamax 4 Fish Finder is designed for anglers of all skill levels, from beginners through experts alike. Its user friendly design means anyone can use it without having to spend hours trying to learn how to operate it correctly. Even better, its sonar coverage extends up to 28 16 10dB which gives you more than enough information when it comes time to decide how best to approach your target species.
One feature that really stands out with this fish finder is its value for money. Despite its small size and advanced features, the price point is still relatively affordable compared to other models on the market today. In addition, its lithium ion batteries provide long lasting power that will keep you fishing throughout your entire fishing trip without having to worry about battery life running out prematurely.
Overall, I m extremely impressed with the Humminbird Piranhamax 4 Fish Finder and would highly recommend it for anyone looking for a reliable yet affordable fish finder option that will help them catch more fish on their next outing!
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