USG Electret Ultrasound Microphone

Avisoft Bioacoustics / Knowles FG

part # 40001
  • 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 : 20 mm
  • Length : 47 mm
  • Weight : 40 g

The Avisoft Bioacoustics electret ultrasound microphone is a cost-effective model that employs an FG-series electret capsule by Knowles.

frequency response

polar diagram

P48 Electret Ultrasound Microphone (Avisoft Bioacoustics / Knowles FG)

part # 40002

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

  • 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 : 20 mm
  • Length : 47 mm
  • Weight : 30 g