Double-ear standard headset

CC-300-X4: Single-ear 4-pin Female XLR Single-ear standard headset 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

CC-26K-X4: 4 pin female XLR Single open-ear, lightweight headset Over-the-head design Flexible neck boom Foam earpad Dynamic noise cancelling microphone