Garmin Airmar 509LHW 3kW 28 to 60kHz & 150 to 250kHz Thru-Hull Transducer [010-12187-20] Sailing | Blocks SM81 Speaker Microphone

SM81 Speaker Microphone

but superb value

Harness length 10'

allowing fishermen to back up information and record data on important fishing spots

This sturdy fixed base works with either surface or track mounting

Garmin Airmar 509LHW 3kW 28 to 60kHz & 150 to 250kHz Thru-Hull Transducer [010-12187-20] Sailing | Blocks SM81 Speaker MicrophoneAirmar 509LHW 3kW 28 to 60kHz & 150 to 250kHz Thru Hull Transducer This all in one transducer for popular fishing frequencies (28, 38, 50 and 200) is our best performing, highest power, 2 to 3 kW transducer. It has a depth of 10,000 feet; an operating frequency of 28 to 60 kHz and 150 to 250 kHz; a beamwidth of 5x9 to 11x23 degrees or a constant 25 degrees; and a 0 to 25 degree deadrise. This transducer has a narrow beam low frequencies for deep water