Headset H174M (Intercommunication Microphone)

Headphone

Driver unit: 27mm

Impedance: 32 ohm +/- 15%

Sensitivity: 100dB +/- 3dB (0 dB=1V/µ bar, at 1KHz)

Frequency Response: 20Hz~22KHz

Microphone

Type: Condenser

Directivity: Uni-directional

Impedance: 2K2 ohm +/- 15%

Sensitivity: -68dB +/- 3dB

Frequency Response: 100Hz~16KHz (0 dB=1V/µ bar, at 1KHz)

Color: Black