Pack made up of 1 x B175L low profile Bronze through hull single element CHIRP transducer with 20 degree tilted element suitable for hulls with 16-24 degree deadrise. Compatible hull material: fiberglass and wood. Max Power: 1000 watts. Frequency: 40-75 kHz. Beamwidth: 21-32 degrees. Cable: 30ft (9.1m). 1 x B175M low profile Bronze through hull single element CHIRP transducer with 20 degree tilted element suitable for hulls with 16-24 degree deadrise. Compatible hull material: fiberglass and wood. Max Power: 1000 watts. Frequency: 85-135 kHz. Beamwidth: 16-24 degrees. Cable: 30ft (9.1m). 1 x Y Cable used to connect the two transducers to CP450C, CP470 or CP570