Garmin thru-hull depth sounder 500/600W, transducer for deep depths and harsh conditions, stainless steel shaft USP

This thru-hull transducer delivers crisp sonar images of objects, structure, and fish beneath your boat. Featuring traditional and CHIRP DownVü sonar capabilities, the transducer is optimized for operation at great depths and in harsh conditions.

The CHIRP DownVü element has a rated power of 500 W and operating frequencies of 260/455 kHz. The traditional depth sounder has a rated power of 600 W and operating frequencies of 50/200 kHz. The device includes a built-in, fast-response temperature sensor. It is suitable for hull cross-sections of less than 25°.

The GT21-TH includes an 8-pin transducer with a stainless steel shaft, a matching block, an isolation plate and sleeves, a mounting kit, and installation instructions. Be sure to follow these instructions to avoid damage to your boat.