See Fish Like Never Before: Garmin GT15M-THF Thru-Hull Transducer

Upgrade your fishfinding capabilities with the Garmin GT15M-THF Thru-Hull Transducer. This powerful, mid-band CHIRP transducer delivers crystal-clear views of fish arches, structures, and bottom contours, perfect for serious anglers and cruising boat owners alike.

Unveil the Underwater World (Available Angles)

The Garmin GT15M-THF comes in three tilt angle options to match your boat's deadrise angle: 0 Degree: Ideal for boats with a deadrise angle of 0 to 7 degrees. 12 Degree: Accommodates deadrise angles between 8 and 15 degrees. (Available as a separate variation) 20 Degree: Designed for boats with a deadrise angle of 16 to 20 degrees. (Available as a separate variation)

Sharp CHIRP Sonar Technology

This transducer utilizes high-definition mid-band CHIRP sonar technology to provide exceptional target separation and clarity. See fish arches, underwater structures, and the bottom with unmatched detail, down to 1,200 feet in saltwater and 1,900 feet in freshwater.

Broad Frequency Range for Targeted Fishing</H4

With a frequency range of 85-165 kHz, the Garmin GT15M-THF offers a wide coverage area, allowing you to search expansive waters and pinpoint fish targets with precision.

Built for Performance and Durability

This transducer features a robust stainless-steel housing and stem designed for thru-hull mounting. This flush mounted configuration minimizes drag and ensures optimal beam orientation for the clearest sonar returns.

Simple Installation and Use

The Garmin GT15M-THF boasts a straightforward thru-hull installation process. Thanks to Garmin's auto-identification technology, the transducer automatically configures itself to your compatible chartplotter display for plug-and-play convenience.