-Input Impedance: 22 Ohms
-Sensitivity (headphone): 122 dB +/-3 dB
-Sensitivity (microphone): -44 dBV/Pa +/- 2.5 dB
-Frequency response (Headset): 20 Hz to 20 kHz
-Frequency response (Microphone): 100 Hz to 6.5 kHz
-Cable length: 1.8 m
-Warranty: 1Year