USG Electret Ultrasound Stick Microphone

Avisoft Bioacoustics / Knowles FG-S

part # 40024
  • Approximate input-referred self-noise level (bandwidth: 30-50 kHz): 26 dB SPL
  • Approximate sensitivity: 500mV/Pa
  • Power supply : 5V, 14 mA (provided by UltraSoundGate xx16x)
  • Conncetor: male XLR-5 plug
  • Diameter : 11.5 mm
  • Length : 540 mm
  • Weight : 230 g

The Avisoft Bioacoustics Knowles FG-S electret ultrasound microphone is prepared for the installation at the tower of large wind turbines for monitoring bat activity near the lower rotor blade tip.

frequency response

polar diagram

P48 Electret Ultrasound Stick Microphone

(Avisoft Bioacoustics / Knowles FG-S)

for third-party recording equipment that can supply a 48V phantom power

part # 40025
  • Approximate input-referred self-noise level (bandwidth: 30-50 kHz): 26 dB SPL
  • Approximate sensitivity: 500mV/Pa
  • Power supply : 48V, 10mA phantom power
  • Conncetor: male XLR-3 plug
  • Diameter : 11.5 mm
  • Length : 540 mm
  • Weight : 230 g