Airmar B175HW Bronze Thru Hull 12° Tilt - 1kW - Requires Mix and Match CableExperience wider, crisper sonar imaging with the Airmar B175HW Bronze Thru Hull 12 Tilt 1kW CHIRP transducer. Built to maximize coverage under your boat, this bronze thru hull unit delivers a wide, constant 25 beam from 150 kHz to 250 kHz for superior depth reading, precise fish targets, and clear bottom imaging. Designed for fiberglass or wood hulls on boats 8 m (25) and larger, it pairs with CHIRP ready sounders using the Mix and Match Cable (sold