Navico xSonic P79 Adjustable 200/50kHz Plastic In-Hull Transducer - 9-Pin [000-13942-001]xSonic P79 Adjustable 200 50kHz Plastic In Hull Transducer 9 Pin This entry level in hull transducer with an adjustable deadrise angle makes installation a snap. The 9 pin 600 W transducer has a depth of 800 to 1,200 ft; an operating frequency of 50 to 200 kHz; a beamwidth of 45 to 12 degrees; and a 0 to 22 degree deadrise. Transducer kit comes with installation instructions*. Follow the instructions carefully to avoid damaging your boat. *Fiberglass