ack made up of 1 x B75M low profile Bronze through hull single element CHIRP transducer with 0 degree tilted element suitable for hulls with 0-7 degree deadrise. Compatible hull material: fiberglass and wood. Max Power: 600 watts. Frequency: 95-155 kHz. Beamwidth: 17-26 degrees. Cable: 30ft (9.1m), 1 x B75H low profile Bronze through hull single element CHIRP transducer with 0 degree tilted element suitable for hulls with 0-7 degree deadrise. Compatible hull material: fiberglass and wood. Max Power: 600 watts. Frequency: 130-210 kHz. Beamwidth: 9-15 degrees. Cable: 30ft (9.1m). 1 x Y Cable used to connect the two transducers to CP450C, CP470 or CP570