Features:
1. Acoustic tube ear/microphone for two-way radio transceiver.
2. Providing private, discreet communication.
3. With a VOX/PTT switch.
4. Picking up audio directly from vocal cord vibrations which blocks background noise perfectly.
5. Suitable for noisy environment, especially for policeman, military and mission critical.
Speaker
Size: 15mm
Impedance: 32¦¸¡À15% at 1000Hz
Sound Pressure Level: 103dB¡À3dB at 1000Hz
Microphone
Frequency response: 20-16000Hz
Sensitivity: -36dB¡À2dB
Impedance: 2.2K¦¸