Asus Xonar DX PCIE soundcard, Dolby Home Theater Technologies & Richest Gaming Audio Effects for best PC audio upgrade, Powered by complete Dolby Home Theater technologies, Supports latest DS3D GX 2.0 for gaming on Vista & XP, VocalFX voice processing technologies to make gaming and online chat more lively and attractive, Delivers ~35 times cleaner audio quality (116dB SNR) than most motherboard audio (85dB SNR)

Audio Processor: ASUS AV100 High-Definition Sound Processor (Max. 192KHz/24bit)
24-bit D-A Converter of Digital Sources: Cirrus-Logic CS4398*1 for Front-Out (120dB SNR, Max. 192kHz/24bit), Cirrus-Logic CS4362A*1 for other 6 channels (114dB SNR, Max. 192kHz/24bit)
24-bit A-D Converter for Analog Inputs: Cirrus-Logic CS5361* 1 (114dB SNR, Max. 192kHz/24bit)
Analog Output Jack: 44.1K/48K/96K/192KHz @ 16/24bit, Dolby Digital, DTS
Analog Input Jack: 3.50mm mini jack *1 (Shared by Line-In/Mic-In)
Other line-level analog input (for CD-IN/TV Tuner): Supports 44.1K/48K/96K/192KHz @16/24bit with very low latency
Digital S/PDIF Output: High-bandwidth TOS-Link optical transmitter (shared with Line-In/Mic-In jack) supports 192KHz/24bit