Airmar TM275C-LHW 1kW Chirp Transom Mount TransducerThe Airmar TM275C LHW is a 1kW Chirp transom mount transducer designed for boats up to 32', delivering wide beam, high resolution sonar that excels in both inshore and pelagic conditions. Dual frequency Chirp ready design: High Frequency 150250 kHz with a constant 25 beam for sharp shallow water detail; Low Frequency 4265 kHz delivering up to 1 kW for deep readings. Depth range: Depth capability to 914 m (3000') with beam narrowing from 25 at high