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Headphone Frequency Response: 20Hz - 20 kHz
Headphone Sensitivity:114dB (+/-3dB)
Impedance: 32k Ohms @1 kHz
Microphone Type : Omni-directional
Microphone Impedance: 2.2k Ohms
Microphone Frequency Response: 100Hz to 10kHz
Microphone Sensitivity: -41dB (+/-3dB)
Surround Sound: Yes