| KOSS SB49 07 3.5mm Connector Circumaural Stereo Headset Cord Length: 8 ft. Headphone Frequency Response: 18Hz-20KHz Headphone Input Impedance: 100 ohm Headphone Sensitivity: 103dB SPL/1mW Microphone Impedance: Same as load resistance Microphone Frequency Response: 100Hz-16KHz Microphone Sensitivity: -56dB +/- 3dB per 1V/ 1KHz; (-36dB +/- 3dB, V/Pa) Parts: Lifetime limited |
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