The B275LH-W is a bronze, thru-hull CHIRP transducer, ideal for sportfishing and commercial vessels 25ft and up. This dual-channel transducer combines Low CHIRP frequencies to accurately track the bottom in deep water, with High CHIRP at a constant 25° beam width for the best resolution and coverage in the upper water column and in shallower depths.
XSONIC AIRMAR B275LH-W
Dimensions (W x H x D) 114 x 216 x 244 mm (W, L, D) (4.5 X 8.5 X 9.6") without fairing block Weight 7.3 kg ( 16 lb)
Frequencies 42-65 kHz & 150-250 kHz Max Depth 910m (3000 ft) (low freq) depending on Sonar