Humminbird PiranhaMax 176i Review

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Humminbird PiranhaMax 176i Fish Finder

Humminbird PiranhaMAX 176i Dual Beam Fishfinder and Trackplotter with Internal GPS

Say goodbye to all those bad luck days out on the water where you seem to try every spot but get no bites! The Humminbird PirhanaMax 176i fish finder will help you locate where those elusive fish are so every day will be a great day for fishing! It is a great choice if this is your first-ever fish finder purchase. The 200/455 kHz SONAR will show you very clear and sharp echoes down to 100 feet. The PiranhaMax 176i is about as plug-and-play as you can get when it comes to fish finders! It’s easily installed and in a convenient size that fits on almost all boats from kayaks up to larger boats.

The 4 inch screen size is especially suited to small boats, and the PiranhaMax 176i’s low price and ease of use makes it a good choice for a first fish finder. Once you are comfortable with this model and can spot fish easily, you can graduate to some of the more advanced models.


The display of the Humminbird PiranhaMAX 176i is four inches in size when measured diagonally. While this is by no means large, there are many other fish finder units on the market with smaller displays. The display supports only 16-level gray scale, which can be unfortunate if you’re used to fish finder units with color displays.

The main advantage of the Humminbird PiranhaMAX 176i’s display is the resolution. At 240V x 160H, the resolution of this fish finder unit is absolutely amazing, especially when you consider the somewhat small size of the display.


With the Dual Beam sonar, you get the best of everything. You can choose to view the narrow beam, the wide beam, or both beams meshed into one display. The narrow 16° beam is best for revealing hidden fish at the bottom as well as revealing the contour of the bottom. On the other hand, the wider 28° beam gives better coverage of both bait fish and fish. Overall, the Dual Beam sonar enables anglers to target both fish and structure.

Internal GPS Receiver

The Humminbird PiranhaMAX 176i fish finder comes equipped with an internal GPS receiver. While this may not sound handy to you at first, there are many situations in which a fish finder unit with an internal GPS receiver could prove handy on a fishing trip. For example, if you were to get lost, the GPS could be a literal lifesaver.

This device’s internal GPS allows you to take a look at your course of ground as well as your track. You can also use the fish finder unit to mark way points on the internal map. Finally, you can use this Humminbird’s internal GPS receiver to get your GPS speed.

Humminbird PiranhaMax 176i


The PiranhaMax 176i has a 4 inch, 16 shade grayscale display with a resolution of 240V X 160H that will deliver crisp images. With 200 watts of power output with Dual Beam sonar, you can switch between a deeper 200 kHz beam and a clearer, but shallower 455kHz beam in a cinch! You will be able to see incredibly clear underwater images with the high-frequency 455kHz sonar. Once you have found them, mark waypoints so you know how to get to the best fishing spots next time you are out on the water. You can also see your track, view course-over-ground, and get your GPS speed reading as well.

Please note that the 176i DOES NOT have any mapping built-in, or the ability to add maps. The GPS is very basic and will just show you waypoints, your track, and GPS speed.

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Humminbird PiranhaMax 176i Review
4.5Overall Score
Reader Rating: (1563 Votes)

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