Details High quality dynamic cardioid microphone High ambient-noise attenuation headphones Microphone: 300Hz - 20kHz frequency response Headphone: 40Hz - 20kHz frequency response Cushioned with soft leatherette padding Flexible gooseneck microphone positioning 300-degrees boom mic rotation for ON/OFF mic-mute switch Rugged design Item Code CC-400-X4: Double-ear 4-pin Female XLR CC-400-X5: Double-ear 5 pin Male XLR CC-400-X6: Double-ear 6-pin male XLR (balanced mic) CC-400-X7: Double-ear 7-pin Female XLR CC-400-Y5: Double-ear 5-pin Female XLR CC-400-B6: Double-ear no connector Technical Specifications Headphone Type: Closed-back Driver: 40mm diameter, neodymium magnet, copper-clad aluminum wire voice coil Frequency Response: 40Hz v- 20kHz Microphone Element: Dynamic Polar Pattern: Hyper-cardioid Frequency Response: 300Hz - 20kHz Sensitivity Microphone Open Circuit Sensitivity: -61dB ±3.5dB (0dB=1V/1Pa, at 1kHz , typical) Headphone Sensitivity CC-300: 102dB ±3dB (SPL) /1mW at 1kHz typical) CC-400: 98dB ±3dB (SPL) /1mW at 1kHz typical) Impedance CC-300: 400Ω ±30%; at 1kHz typical CC-400: 200Ω ±30%; at 1kHz typical Microphone: 200Ω ±30%; at 1kHz typical Connector Cable: 5ft (1.55m) long with 8-pin connector at headset end; 4-pin Female XLR Dimensions Packaging for CC-300 and CC-400: 4.8 x 13 x 10.43in (WxHxD) (122 x 330 x 265mm) Weight CC-300: 8.6oz (245g) without 8-pin cable assembly and M3*18mm SCREW CC-400: 11.1oz (315g) without 8-pin cable assembly and M3*18mm SCREW