The Steel Series 9H Na' Vi Edition delivers a powerful & detailed audio experience via tournament-grade, next-generation Steel Series audio drivers. The drivers feature a wide dynamic range that means that you can hear all levels of your audio: lows, mids, & highs. Steel Series audio engineers crafted the soundscape for the best possible gaming experience. Advanced components like high-grade mylar film were used to further perfect the sound with added clarity & no distortion. Building on the historic Steel Series audio tradition, a custom-engineered soundscape features a wide dynamic range, which makes it possible for 9H to deliver a balanced & linear tournament-grade advantage. Don't just win, dominate. The Steel Series 9H Na' Vi Edition, when used with the included advanced USB (Universal Serial Bus) soundcard, features two Dolby technologies. Dolby Headphone allows up to 7.1 channels of realistic multi-channel surround sound. Dolby Prologic IIx can convert a simple stereo signal into a rich, surround sound experience. In addition, it can convert a true 5.1 signal into a full 7.1 surround experience allowing for multiple listening modes & a more realistic sound. Delivering a tournament-grade audio experience, incredible digital features, & best-in-class comfort, the Steel Series 9H with Dolby Technology is one of the best competitive gaming headset yet. Equipped with an advanced USB (Universal Serial Bus) soundcard, the Steel Series 9H Na' Vi Edition provides users with Dolby technology, Steel Series Engine support & much more. This 9H Na' Vi Edition features double enclosure technology. A second internal enclosure is sealed around the back of the speaker creating a closed design typically only found in high-end audio studio & DJ headphones. When coupled with the extra-padded ear cushions it creates a level of noise isolation unlike any other headset in gaming. This means that you can hear the in game sounds & your teammates over the roaring of the crowds. Extra-padded memory foam provides best-in-