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The P39 is our mid-size, transom-mount, TRIDUCER® Multisensor. This hydrodynamic housing features a rounded nose which reduces the turbulence under the transducer’s acoustic face for accurate high-speed depth readings.

Airmar's Smart™ Sensors have embedded microelectronics—the transducer element and signal processor are only millimeters apart. The signal from the depth transducer is processed right inside the sensor itself. All that is needed to receive depth, speed, and temperature data is a single cable into a compatible network or display. Available as a digital Smart Sensor that can output NMEA 0183 or NMEA 2000®.



  • 60 W—NMEA 0183, 100 W—NMEA 2000
  • 235 kHz frequency prevents mutual interference with other echo sounders on the vessel
  • Recessed water-flow channel protects paddlewheel
  • Plastic housing with release bracket protects sensor from frontal impact
  • NMEA 2000 certified or NMEA 0183 cable


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