The PiranhaMax 4 is Humminbird's entry-level fixed-mount fishfinder. It pairs a 4.3-inch 256-color display with DualBeam sonar (200 kHz narrow and 455 kHz wide beams) rated to 600 feet of depth and 300 watts RMS output. It suits small-boat, kayak and ice anglers who want depth, bottom shape and fish arches without a chartplotter or GPS. Against pricier units like the Helix 5 it gives up screen size, GPS and CHIRP, but it is simpler to wire and read. Owners rate it well for the money as a basic depth and fish finder.
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Owners with 110 ratings averaging 4.3 out of 5 treat it as a dependable, simple depth and fish finder. Most praise the readable color screen and the depth range for the class; complaints center on the small screen and limited features.
The Humminbird Piranhamax 4 is a fixed-mount fishfinder with a 4.3-inch, 256-color display. It uses DualBeam sonar to read water up to 600 feet deep and show where fish are.
Power output is 300 watts RMS, with 2,400 watts peak to peak. The transducer can be mounted inside the hull or on the transom, and it tilts and swivels on its mount.
