With Sennheiser’s PC 323D surround sound gaming headset, it’s not just about hearing the action – it’s about being in the center of it. Realistic 7.1-channel game audio powered by Dolby technologies makes this headset a must-have. The open-acoustic design combines with Circle Flex ear cups, which adjust to your head instantly, so a super-comfortable fit is guaranteed. Dynamic 7.1 surround that’s perfect for all games Legendary Sennheiser quality sound Instant, comfortable fit lets you concentrate on the game. The PC 323D gaming headset has plenty of gamer-friendly extras, including an open-acoustic design that lets cool air flow to your ears & a noise canceling microphone. It’s superb for crystal-clear conversation with fellow gamers. Full control is also yours: the volume control is intuitively situated on the right ear cup, & you mute the microphone simply by raising the boom arm. More spacious sound field – 7.1 channel surround sound powered by Dolby Headphone & Dolby Pro Logic IIx to accurately pinpoint opponents from all directions in the gamescape superb Sennheiser sound – Sennheiser quality speakers deliver great acoustic performance with all your games Noise canceling clarity – the pro noise canceling microphone reduces ambient noise for crystal-clear conversations with teammates Soft-padded comfort – Circle Flex ear cups ensure the ear pads rotate & adjust automatically to your head Great for long gaming sessions – the open-acoustic design keeps your head cool for hours of playing & means that you can stay in touch with your surroundings Intuitive design – the volume control is integrated on the right ear cup for quick access Automatic microphone mute – activated simply by raising the boom arm