Details High quality dynamic cardioid microphone 20Hz -20KHz frequency response Choice of earpads: leatherette or foam Flexible gooseneck microphone positioning Boom rotation ON/OFF switch for quick microphone muting Interchangable cabling for easy connector changing and repair Fully serviceable headset Rugged design Item Code CC-220-X4: Double-ear 4-pin Female XLR CC-220-X5: Double-ear 5-pin Male XLR CC-220-X6: Double-ear 6-pin Male XLR (balanced mic) CC-220-X7: Double-ear 7-pin Female XLR CC-220-Y5: Double-ear 5-pin Female XLR CC-220-B6: Double-ear no connector Technical Specifications Headphone Type: Closed-back Driver: 36mm diameter, neodymium magnet, copper-clad aluminum wire voice coil Frequency Response: 20Hz v- 20kHz Impedance: CC-110: 400Ω ±30%; at 1kHz typical CC-220: 200Ω ±30%; at 1kHz typical Microphone Element: Dynamic Driver: 15mm, neodymium magnet Polar Pattern: Cardioid Frequency Response: 250Hz - 20kHz Impedance: CC-110: 200Ω ±30%; at 1kHz typical CC-220: 200Ω ±30%; at 1kHz typical Power Maximum: 500mW Sensitivity Microphone Open Circuit Sensitivity: -64dB ±3.5dB; (0dB=1V/1Pa, at 1kHz , typical) Headphone Sensitivity CC-110: 99dB ±3dB (SPL) / 1mW, at 1kHz typical CC-220: 96dB ±3dB (SPL) / 1mW,at 1kHz typical Connector Cable: 5ft (1.55m) long with 8-pin connector at headset end; 4-pin Female XLR Dimensions Packaging for CC-110 and CC-220: 6.7 x 8 x 3.5in (WxHxD) (170 x 205 x 90mm) Weight CC-110: 5.1oz (145g) without 8-pin cable assembly and M3*18mm SCREW CC-220: 6.8oz (195g) without 8-pin cable assembly and M3*18mm SCREW