Sound Blaster X-Fi Xtreme Gamer delivers award-winning X-Fi technology for faster, more immersive gaming. X-Fi, the world's most powerful audio processor, provides ultra-realistic X-Fi CMSS-3D surround sound over normal headphones and accelerates Direct X, OpenAL and EAX 5.0 for faster frame rates and cinematic sound. X-Fi 24-bit Crystalizer restores sparkle to low quality audio, upgrading Games, MP3, DIVX and TV audio to 24-bit. The low-profile design makes it ideal for Media Center PCs. It has an optical digital out for connecting to home cinema systems, while THX certification and Dolby and DTS decoding guarantee excellent results in movies.