GT15M-THF 12° 600W Thru-Hull Transducer

Optimize your fishing experience with the Garmin GT15M-THF, designed for reduced drag and exceptional sonar performance on midsize fishing and cruising vessels. This 600-watt mid-band CHIRP transducer offers clear fish arches, detailed structure, and accurate bottom depth returns on your display.

Exceptional Sonar Clarity

This 8-pin, 600-watt stainless steel thru-hull transducer utilizes high-definition mid-band CHIRP sonar to define fish targets and structures down to 1,200’ in saltwater and 1,900’ in freshwater.

Broad Frequency Coverage

Adjust the frequency to suit your fishing environment. Ranging from 85-165 kHz, this transducer provides wide coverage, delivering crisp fish arches and accurate depth readings.

Advanced Sensitivity and Resolution

The transducer ensures excellent sonar sensitivity, low noise, and high resolution, allowing for effective separation of targets, which makes identifying fish and structure on a compatible chartplotter simpler than ever.

Durable Thru-Hull Installation

Constructed with rugged stainless steel, the transducer offers straightforward thru-hull flush mounting, ensuring minimal drag and optimal beam orientation for superior sonar returns.

Seamless Auto-ID Technology

Features Garmin's auto-identification technology for simple plug-and-play operation, enabling the sonar to automatically configure itself with the transducer in use.

Versatile Hull Compatibility

Compatible with various boat hull materials, including fiberglass, composite, steel, aluminum, and wood. Available in tilt versions to accommodate deadrise angles from 0-20 degrees without requiring a fairing block.