Replacement Pilots Headset Electret ETF-7 Microphone
Comes with Foam Mic Cover and O Ring Retainer.
- Microphone with Amplifier:
- Element Type: Noise-canceling
- Frequency Response:100Hz to 5 kHz
- Operating Voltage (supplied by aircraft ):8-32 Volts DC
Matching Impedance: 150-1000 ohms
Sensitivity:-33+/-4 dB
(ref: 0dB SPL=20.0uPa at 1 kHz with 10 Vdc 150 ohms AC load)