The Humminbird 550 is the third in the company‘s Legacy 500 series, a sonar only unit with a 5” 12 level grayscale display. Its Single Beam sonar with 1600W Power Output has a depth range of 800 feet and a target separation capability of 2.5”. It features a Real Time Sonar (RTS) window, selective fish ID and Sonar Echo Enhancement. Its display is backlit and the unit is waterproof.
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