Performance：Easy to use, Strong anti-pull, nice and durable

Feature: Acoustic Tube earpiece, which is with anti-jamming and digital PTT.

Microphone：

Dimensions： Ф20mm

Sensitivity： -56dB ±2dB

Directivity：      Omni-Directional

Frequency respond：100Hz-160 kHz

Impedance： 2.2K

Working voltage：   1V-10V

Speaker:

Dimensions: Ф18mm；

Rated Impedance: 32ohm±15%

Frequency Range:   420Hz-20 kHz

Sensitivity:          120±2dB；

Rated Power:       30mW                 

Max Power:        50mW

Cable:

Main wire: Ф3.0mm   

Sub-wire: Ф2.2-2.0mm

Working Temp:  -20℃-90℃

PU environmental wire