Asus Xonar DX PCIE soundcard, 7.1 Channel, DS3D GX 2.0 emulates EAX5

Complete Dolby Home Theater technologies
Inheriting from D2 and D2X, Xonar DX also provides complete valuable Dolby Home Theater technologies for games and all home entertainments:
Dolby Digital Live:
Real-time 5.1 Dolby Digital surround sound encoders

Dolby Pro-Logic IIx:
Converts stereo or 5.1 sounds to seamless 7.1 surround soundfield

Dolby Headphone:
Delivers a realistic and spacious 2-to-5.1 surround or 3D positional soundfield over any set of stereo headphones

Dolby Virtual Speaker:
Simulates a highly realistic 5.1-speaker surround sound listening environment from as few as two speakers.

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).

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

System Requirements
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