Garmin Sonar Black Boxes

Most Garmin chartplotters — even if they did not come as combos with built-in sonar — can add Garmin CHIRP sonar, Garmin CHIRP DownVü™ and CHIRP SideVü™ scanning sonar, with the clearest scanning sonar images on the water. We made our sonar modules incredibly easy to install, easy to understand and seriously easy to use. That’s the power of simple.

Garmin GSD 24 Sounder
The GSD 24 features a vastly improved digital sonar design for superior target definition and deep-w..
Garmin GSD 25 Premium Sonar Module
The GSD 25 premium sonar module is a remote network solution that provides outstanding fishfinding..
Garmin GSD 26 Sounder Module
The GSD 26 digital sonar ushers in the next evolution of sportfishing technology, providing unriva..
Garmin GCV 20 Ultra HD Sounder Module - w Transducer
GCV™ 20 Scanning Sonar Black Box with GT34UHD-TM TransducerSee the stunning difference in clarity be..
Garmin GCV 20 Ultra HD Sounder Module - w/o Transducer
Add Ultra High-Definition Scanning Sonar to Your Compatible ChartplotterThe easy-to-insta..
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