Air tube Microphone for Two-Way RadioKey specification/special
1.Acoustic tube ear/microphone for two-way radio.
2.Talk and listen without holding the radio.High-quality transparent acoustic earphone made of durable,surgical grade tubing for great comfort and a low-profile cook.
3.The unite provides and discreet communication.
4.Available for Icom,standard,Yaesu,Motorola,transceivers and other brands.

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

Microphone:
Microphone size:6.0*5.2mm
Frequency response:20-16000Hz
Sensitivity:-36dB±2dB
Impedance:2.2K Ω