Throat Mic Microphone Covert Acoustic Tube Earpiece Headset with Finger PTT YM09
Speaker
Dimension (mm): ¢36
Sensitivity : 114±3dB
Impedance: 8Ω/ 16Ω
Rated output power: 1W
Peak power output: 2W
Microphone
Dimension (mm): ¢6*5
Sensitivity: -38±3dB
Frequency: 1kHz
Impedance: 2.0V/2.2KΩ Operation voltage: 1-10V