Air tube Microphone for two way Radio.
1.Listen-only surveillance style earphone for use with two-way radios.
2.Acoustic tube ear/microphone for two-way radio transceiver.
3.Talk and listen without holding the radio.
4.With coiled PU cable for retractable use.
5.The unite provides and discreet communication.And with double PTT.
6.Available for Icom,standard,Yaesu,Motorola,transceivers and other brands.

Speaker:
Speaker size:16mm
Frequency response: 200-5000HZ
Sound pressure level:90dB±3dB
Impedance:90 Ω ±10%
Audio output:100mW

Microphone:
Microphone size:9.7*5.0mm
Frequency response:20-16000Hz
Sensitivity:-36dB±2dB
Impedance:2.2K Ω