Dual Spectrum CHIRP Frequencies -- Full: 150-220 kHz; Narrow: 180-240 kHz; Wide: 140-200 kHz; Dual Spectrum CHIRP Max Depth: 1200ft (365m). NOTE: Side Imaging and Down Imaging units can support this 710274-1 XNT 9 HW T transducer as a 2D sonar only transducer.
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