Meet the Sennheiser PC 373D The PC 373D gaming headset blends legendary Sennheiser sound quality with Dolby Headphone 7.1 Surround Sound processing to deliver an immersive gaming experience combining spatial realism and pinpoint directionality. The new and improved surround sound software make it easy to customize the soundfield to your gaming style. Crystal clear game time communication is possible thanks to a professional-grade noise-cancelling microphone that automatically mutes when lifted. The over-ear design with XL velvet ear pads deliver extreme comfort during long gaming sessions. Get into the game with the Sennheiser PC 373D! Sennheiser Transducer Technology Exceptionally accurate, detailed and dynamic sound is delivered so you hear every detail of the game. Noise Cancelling Microphone Experience crystal clear voice communication and convenient muting when the boom arm is lifted. Dolby 7.1 Surround Sound A USB soundcard dongle provides Dolby 7.1 Surround Sound processing delivering spatial realism to enhance your game. Ear Coupling Around Ear Transducer Principle Dynamic, open Cable Length 1.7 m + 1.2 m Headphone Frequency Response 15 – 28,000 Hz Impedance 50 Ω Sound Pressure Level 116 dB Microphone Frequency Response 50 – 16,000 Hz Pick-up Pattern Noise-cancelling Sensitivity -38 dBV/PA Connector Plugs USB