The most powerful in-hull for the GSD™ 24, the 8-pin transducer has a depth of 2,500 to 4,000 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 8x17 to 5 degrees; and a 0 to 22 degree deadrise.
Transducer kit comes with installation instructions¹. Follow the instructions carefully to avoid damaging your boat.
¹Hull should be no more than 1.5" thick.
*When using with a 6-pin Garmin sounder, transducer adapter cable part number 010-11612-00 is required.