Xonar DG Head phone Amplifier 5.1 PCI Sound Card--- Hear all, dominate all! The Xonar DG is the latest addition to the already outstanding Xonar range & is optimized for Immersive Gaming through Precision Audio at an affordable price. The Xonar DG sound card offers a combination of the Dolby Headphone 5.1 high definition surround feature, ASUS own GX 2.5 gaming audio engine providing EAX 5.0 support in even the latest Windows 7 operating system & an on-board headset amplifier with 3 settings for fine tuning, these result in the best in class accuracy & deep audio that brings every sound to reality, making the new Xonar DG an ideal sound card for gamers who want to dominate their opponents & get closer to the action, after all there are no points for second place. Key specification: - PCI Interface - 105 Dba SNR Audio Clarity - ASIO 2.0 Driver Support: - mini jack *3 (Front/ Side/ Center-Subwoofer) - mini jack *1 (Line-In/ Mic-In) - Aux-In (4-pin header on the card) - Digital S/PDIF Output - Front-Panel Audio Header - Windows 7/ Vista/XP (32/64bit)supported - Dolby Headphone, GX 2.5, Smart Volume Normalizer, Vocal FX, Karaoke, Flex Bass, More - 64.39*170.44mm