Cord Length: 7.13 ft. Part: 7XF-00001 Headphone Frequency Response: 75Hz–20KHz Headphone Input Impedance: 32 ohm Headphone Sensitivity: 111dB S.P.L. at 1KHz Weight: 4.99 ounces Microphone Frequency Response: 50Hz-20KHz Microphone Sensitivity: - 43 dB re 1 V/Pa @ 1kHz (7.1 mV/Pa)