Asus Xonar D2X is the world's first PCI-E interface high-end audio card featuring SNR up to 118dB. The Xonar D2X will undoubtedly provide your best gaming experience ever, with the intuitive DS3D GX to solve Vista gaming audio issues, and Acoustic Echo Cancellation (AEC) for best voice communication quality. The DS3D GX extension in the Xonar D2X driver provides full support for surround sound and hardware accelerated features by translating DirectX to the DS3D GX standard. Gamers can enjoy DirectX gaming with hardware enhanced surround sound and EAX effects automatically and immediately after installation. The Xonar D2X also includes an innovative Acoustics Echo Cancellation (AEC) technology to facilitate the best online voice communication quality. AEC can eliminate up-to-40dB of speaker echo return and suppress noises that would otherwise enter the users' microphone - making the Xonar D2X the best audio card choice for online chatting in VOIP applications or online gaming. The ASUS Xonar D2X also features a signal- to-noise ratio (SNR) of 118 dB for both audio in and out - reaching the maximum limit of audio quality on most PC platforms. Unlike generic audio cards in the market that provide the highest SNR to only the front stereo outputs, the Xonar D2X is able to deliver 118 dB quality audio for all 7.1 channels. Besides delivering impressive audio quality, the Xonar D2X is also packed with multiple sound technologies from Dolby and DTS to deliver outstanding entertainment experiences. DTS Interactive for real time AC-3 encoding DTS NEO - PC stereo to multi-channel expander Hi-Fi class audio quality with SNR up to 118dB Dolby Home Theater Technologies & DTS Connect

$178.91