Garmin Sounders

Garmin offers three external CHIRP sounder modules, the GCV 10, the GSD 25 and the GSD 26.

These sounders connect to compatible displays through a Garmin Marine Network high-speed cable.

GCV 10

The GCV 10 is a dual-band sounder which uses an included Garmin transom-mounted transducer.

See Details

GSD 25

The GSD 25 is a dual-band CHIRP sounder that uses Airmar dual-band 1kW transducers in the Low/Medium or Low/High bands.

See Details

GSD 26

The GSD 26 is a high-performance dual-band CHIRP sounder that can be used with any Airmar CHIRP sounder rated at up to 3kW power in the Low/Medium or Low/High bands, including wide-beam models.

See Details