Cyber Acoustics AC-634 Headset

MODEL- AC634             VENDOR- CYBER ACOUSTICS FEATURES - Speech Recognition Xtreme Style Stereo Neckphone and Mic - SILVER       Voice recognition certified, DNCT4: Direct Noise Canceling Microphone       Technology, stereo headset, neckphone 'Xtreme style', soft foam ear       pads, adjustable boom arm. --SPECIFICATIONS------------------------HEADSET SPEAKER    - 27mm dynamic driversMICROPHONE         - -67dBV/Microbar                     -47dBV/Pascal +/- 4dBMIC POWER VOLTAGE - 1.5v to 10vIMPEDANCE          - Headset:    - 32ohm                     Microphone: - 2.2K ohmsFREQUENCY RESPONSE - Headset:    20-20, 000 Hz                     Microphone: 100-16, 000 HzCABLES             - 7' shielded cord                     3.5mm gold plated plugswww.CyberAcoustics.com