Supports latest DS3D GX 2.0 for gaming on Vista & XP
DS3D GX 2.0 not only revives EAX and DirectSound effects in games on Windows Vista as GX 1.0, but also incorporates Dolby Home Theater Technologies (Dolby Virtual Speaker, Dolby Headphone, Dolby Digital Live, Dolby PrologicIIX) to provide best gaming audio experience.

Innovative VocalFX makes gaming and online chat more lively and attractive
VocalFX is an innovative voice processing technology to let your voice get into the realistic game landscape (VoiceEX) or to emulate the background scenes in online chat (ChatEX). It also allows you to change your voice pitch to disguise who you are (Magic Voice). These features dramatically increase the fun for voice communication on PC.

Delivers about 35 times cleaner audio quality (116dB SNR) than most motherboard audio (85dB SNR)
The noise on Xonar DX audio card is only 1/35 (2.8%) of the noise level from most motherboard onboard audio. In addition, Xonar DX also produces as little as 1/32 (-105dB) of the total harmonics distortion from motherboard audio does (-75dB).

• Audio Performance
  Output Signal-to-Noise Ratio (A-Weighted):
  116dB for front-out, 112dB for other channels dB 
  Input Signal-to-Noise Ratio (A-Weighted):
  112 dB 
  Output THD+N at 1kHz:
  0.00056% (-105dB) for Front-out 
  Input THD+N at 1kHz:
  0.0004% (-108dB) for Line-in 
  Frequency Response (-3dB, 24-bit/96kHz input):
  <10Hz to 48KHz 
  Output/Input Full-Scale Voltage
  2 Vrms (5.65 Vp-p) 
  
• 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) 
  
• I/O Ports
  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 
  
  
• Driver Features
  Operation System:
  Windows Vista/XP(32/64bit)/MCE2005 
  Dolby® Technologies:
  Dolby® Digital Live 
  Dolby Digital Live encodes any audio signal on PC in real-time to Dolby Digital (AC3) 5.1 surround sounds to your home theater environment through one single S/PDIF connection 
  
  Dolby® Headphone 
  Dolby Headphone technology allows users to listen to music, watch movies, or play games with the dramatic 5.1-channel surround or realistic 3D spacious effects through any set of stereo headphones. 
  
  Dolby® Virtual Speaker 
  Dolby Virtual Speaker technology simulates a highly realistic 5.1-speaker surround sound listening environment from as few as two speakers. 
  
  Dolby® Pro-Logic IIx 
  Dolby Pro-Logic II is the well-known technology to process any native stereo or 5.1-channel audio into a 6.1- or 7.1- channel output, creating a seamless, natural surround soundfield. 
  Smart Volume Normalizer™:
  Smart Volume Normalizer™ 
  Normalizes the volume of all audio sources into a constant level and also enhances your 3D sound listening range and advantages in gaming 
  
  Xear 3D™ Virtual Speaker Shifter:
  Virtual 7.1 speaker positioning 
  
  Magic Voice™:
  Xonar D1 provides VocalFX, the latest vocal effect technologies for gaming and VoIP, including: -VoiceEX: produces vivid environmental reverberation for your voice in EAX games -ChatEX: emulates different background environment effects when you chat online -Magic Voice: changes your voice pitch to different types (Monster/Cartoon…) for disguising your real voice or just for fun in online chatting 
  Karaoke Functions:
  Music Key-Shifting and Microphone Echo effects like professional Karaoke machine 
  FlexBass™:
  Professional Bass Management/Enhancement system 
  3D Sound Engines/APIs:
  Vista: DirectSound3D® GX 2.5, DirectSound® HW, DirectSound SW, A3D®1.0, OpenAL generic modes, 128 3D sounds processing capability 
  
  XP: DirectSound2.5 SW, A3D®1.0, OpenAL generic modes, 128 3D sounds processing capability 
  
  DS3D GX2.0:
  DS3D GX 2.5 gaming sound effects and DirectSound 3D hardware enhanced functions on Windows Vista. (DirectX/DirectSound 3D compatible)
  
• Bundled Software Utility
  RightMark Audio Analyzer 6.0.6:
  Easy but powerful software intended for testing the quality of audio equipments