2 Wire Covert Acoustic Tube Surveillance Kit Headset EP-0218
Easy smooth feel PTT and clear voice quality
With durable 360 degree metal back clip
Vigorous, rugged and adaptable designed for tough working environments.
Speaker
Dimension (mm)： ￠15
Sensitivity ： 114±3dB
Impedance： 220Ω
Rated output power： 0.5W
Peak power output： 1W
Microphone
Dimension (mm)： ￠6*5
Sensitivity： -38±3dB
Frequency： 1kHz
Impedance： 2.0V/2.2KΩ
Operation voltage： 1-10V
