• 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 Performance: Output Signal-to-Noise Ratio (A-Weighted):
  - 116 dB for Front-out
  - 112dB for other channels
  Input Signal-to-Noise Ratio (A-Weighted): 112dB
  Output Total Harmonic Distortion + Noise at 1kHz (-3dB): 0.00056% (-105dB) for Front-out
  Input Total Harmonic Distortion + Noise at 1kHz (-3dB): 0.0004% (-108dB) for Line-in
  Frequency Response (-3dB, 24-bit/96kHz format): <10Hz to 48KHz
  Output/Input Full-Scale Voltage: 2 Vrms (5.65 Vp-p)
• Bus Compatibility:
  PCI Express:
  - PCI Express Rev.1.0a specification compatible
  - Max. full 2.5Gbps bandwidth per direction and optimized latency for high-definition audio processing
  - Compatible with X1, X4, X8, X16 PCI Express slots
• Main Chipset:
  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)
• Sample Rate and Resolution:
  Analog Playback Sample Rate and Resolution: 44.1K/48K/96K/192KHz @ 16/24bit
  Analog Recording Sample Rate and Resolution: 44.1K/48K/96K/192KHz @ 16/24bit
  S/PDIF Digital Output: 44.1K/48K/96K/192KHz @ 16/24bit, Dolby Digital, DTS
• I/O Ports:
  Analog Output Jack: 3.50mm mini jack *4 (Front/Side/Center-Subwoofer/Back)
  Analog Input Jack: 3.50mm mini jack *1 (Shared by Line-In/Mic-In)
  Other line-level analog input (for TV Tuner or CD-ROM): Aux-In (4-pin header on the card)
  Digital S/PDIF Output: High-bandwidth TOS-Link optical transmitter (shared with Line-In/Mic-In jack) supports 192KHz/24bit
  Front Panel Header:
  - Headphone / Stereo Speaker Out
  - Microphone In

• One PCI Express 1.0 (or higher) compatible slot for the audio card
• One available 4-pin power cable from PC's power supply unit
• Microsoft Windows Vista(32/64bit)/XP(32/64bit)/MCE2005
• Intel Pentium 4 1.4GHz or AMD Athlon 1400 CPU or faster CPU
• >256 MB DRAM system memory
• >60 MB available HDD space for driver installation package
• CD-ROM drive (or DVD-ROM drive) for software installation
• High-quality headphones, powered analog speakers, or a Dolby Digital or DTS decoder, to enjoy the ultra-high fidelity sounds of the card

• Xonar DX 7.1 Channel PCI Express Audio Card
• Driver CD (including Portable Music Processor Lite and RMAA V6.0.6 utilities)
• S/PDIF TOSLINK optical adaptors *1
• Quick Start Guide

$20 End-User Mail-In Rebate: ASUS is now presenting a mail-In rebate for Xonar DX 7.1 Channels PCI Express Interface Sound Card. Promotion begins 11/01/09 and ends on 11/30/09. This promotion cannot be combined with any other promotion. Claim your rebate through the rebate form and follow mailing instructions. Note, incomplete forms will be denied as well as forms mailed too late. Manufacturer is not responsible for lost or misdirected mail. The promotion is not retroactive. Click here to download the rebate form.