Microphone Type: Unidirectional

Input Impedance: 32 Ohms

Sensitivity (headphone): 100 dB +/-3 dB

Sensitivity (microphone): -58dBV/μBar, -38dBV/Pa +/-4 dB

Frequency response (Headset): 20 Hz – 20 kHz

Frequency response (Microphone): 100Hz-16KHz