Garmin GT8HW-IH In-Hull Transducer - 8-Pin [010-12401-10]GT8HW IH In Hull Transducer 8 Pin GT8HW IH transducer is ideal for bass boats that want to install the transducer inside a fiberglass hull and not on the transom where cavitation could cause issues. It requires a flat section in the hull to be mounted and is excellent for boats traveling at high speeds that want to maintain accurate depth readings. The 8 pin transducer features high wide CHIRP traditional sonar (150 240 kHz) and has a power rating of