Ultra Fidelity 7.1 PCI Sound Card with Complete Dolby/DTS Sound Technologies ASUS Xonar D2 audio card, dedicated to be the best audio card for gaming & home entertainments, provides unprecedented 118d B In/ Out SNR audio quality & features for games, music, & movies. Combining 192k/24bit ultra fidelity input & output at with a suite of Dolby & DTS sound technologies & abundant valuable software, the Xonar D2 is well designed to upgrade your PC to a powerful & high-quality Home Entertainment Center, which you will never have with onboard audio or other sound cards! ASUS Features
- Unprecedented SNR Up to 118db reaching the limit of PC sound clarity
- High-definition audio processing at 192 K Hz/24 Bit for all Input & outputs
- Versatile Dolby/DTS Audio Technologies for Game, Music, & Video
- Accurate 3D sound positioning & hardware acceleration for PC gaming
- Legally backup your digital music with Dolby Headphone or Dolby Virtual Speaker effects added
- Real-time DDL & DTS Connect encoders for amazing gaming & surround sounds over your Home Theater System





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Asus Xonar D2X is the world's first PCI-E interface high end audio card featuring SNR up to 118d B. Xonar D2 provides intuitive DS3D GX to solve Vista gaming audio issues, & Acoustic Echo Cancellation (AEC) for best voice communication quality, the Xonar D2X will undoubtedly provide the best gaming experience ever. ASUS Xonar D2X -Solution to Windows Vista Gaming Audio Problems With the introduction of Windows Vista, the whole audio architecture landscaped has been changed. This has resulted in teething problems for gamers
- with the possibility of losing all surround sound or hardware accelerated Direct 3D & EAX while gaming in the Windows Vista environment. To circumvent this problem, the ASUS Xonar family of audio cards utilizes an ASUS exclusive technology
- the new DS3D GX extension in the Xonar D2X driver; to provide full support for surround sound & hardware accelerated features by translating Direct X to the DS3D GX. While other solutions like Open AL requires special installation & game support, DS3D GX doesn't. Gamers can enjoy Direct X gaming with hardware enhanced surround sound & EAX effects automatically & immediately after installation. Cleanest Voice in Online or LAN Game Chatting The Xonar D2X also

Includes:: the innovative " Acoustics Echo Cancellation" (AEC) technology to facilitate the best online voice communication quality. AEC can eliminate up-to-40d B speaker echo return & suppress noises that would otherwise enter the users' microphone
- making the Xonar D2X the best audio card choice for online chatting in VOIP applications (Skype, MSN, Google, QQ, etc.) or online gaming. Unparalleled Sound Clarity The ASUS Xonar D2X also features a signal- to-noise ratio (SNR) of 118 d B for both audio in & 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 d B quality audio for all 7.1 channels. Dolby & DTS for Complete Digital Home Experience Besides delivering impressive audio quality, the Xonar D2X is also packed with multiple sound technologies from Dolby & DTS to deliver outstanding entertainment experiences. These include:
- Dolby Digital Live: Converts PC or game audio content into Dolby Digital in real-time.
- Dolby Headphone: Creates a surround sound listening experience when using any set of headphones.
- Dolby Virtual Speaker: Delivers a vibrant surround sound listening experience from stereo speakers.
- Dolby Pro Logic IIx: C reates up to 7.1-channel surround sounds from stereo or 5.1 sources.
- DTS Connect:

Includes:: DTS Interactive & DTS NEO:PC
- DTS Interactive for real time AC-3 encoding.
- DTS NEO: PC stereo to multi-channel expander.














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PCI 7.1-channel gaming audio card & headphone amplifier
- Built-in headphone amplifier to power up every sound detail in gaming;
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Immersive Gaming Audio Feel enemies crawling behind you & hear voices echo in dungeons with Xonar′s immersive GX2.5 audio engine. Enable latest EAX gaming audio, & restores surround gaming in Windows Vista without additional software. 192k/24bit True PC Hi-Fi Enjoyment Xonar DS′s 192k Hz/24bit playback support let you enjoy all music files converted at highest quality without any sample rate downgrade. Bring the Hi-Fi Theater to your desktop Consisting of DTS Neo: PC™ & DTS Interactive™ technologies, DTS Connect brings the world′s most welcomed Hi-Fi surround sound to your PC & turns it into a powerful multi-media center & game console. Surrounded all the time
- DTS Neo: PC™ Converts any stereo signals into 7.1 channel
- get the most out of your multi-channel speaker setup! World's most welcomed surround audio at your service
- DTS Interactive™ Turns every audio into sensational 7.1 DTS Digital surround via S/PDIF output
- feed your AV receiver the best surround sound available!! The Spirit of Hi-Fi System Tune up your own sound with ease
- Swappable OPamp socket The design once only seen on hi-end audio equipment is now presented in Xonar DS. Swappable OPamp socket means that you can customize your sound solderlessly & create your favorite listening experience with ease. Best Flexibility & Connectivity Auto-detect front-panel Intel HDA compatible front-panel header automatically switches output from back-panel to front once plugged in.




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Immersive Gaming Audio Feel enemies crawling behind you & hear voices echo in dungeons with Xonar′s immersive GX2.5 audio engine. Enable latest EAX gaming audio, & restores surround gaming in Windows Vista without additional software. 192k/24bit True PC Hi-Fi Enjoyment Xonar DS′s 192k Hz/24bit playback support let you enjoy all music files converted at highest quality without any sample rate downgrade. Bring the Hi-Fi Theater to your desktop Consisting of DTS Neo: PC™ & DTS Interactive™ technologies, DTS Connect brings the world′s most welcomed Hi-Fi surround sound to your PC & turns it into a powerful multi-media center & game console. Surrounded all the time
- DTS Neo: PC™ Converts any stereo signals into 7.1 channel
- get the most out of your multi-channel speaker setup! World's most welcomed surround audio at your service
- DTS Interactive™ Turns every audio into sensational 7.1 DTS Digital surround via S/PDIF output
- feed your AV receiver the best surround sound available!! The Spirit of Hi-Fi System Tune up your own sound with ease
- Swappable OPamp socket The design once only seen on hi-end audio equipment is now presented in Xonar DS. Swappable OPamp socket means that you can customize your sound solderlessly & create your favorite listening experience with ease. Best Flexibility & Connectivity Auto-detect front-panel Intel HDA compatible front-panel header automatically switches output from back-panel to front once plugged in.




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Complete Dolby Home Theater technologies Inheriting from D2 & D2X, Xonar DX also provides complete valuable Dolby Home Theater technologies for games & 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 & 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 & Direct Sound 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 Prologic IIX) to provide best gaming audio experience. Innovative Vocal FX makes gaming & online chat more lively & attractive Vocal FX is an innovative voice processing technology to let your voice get into the realistic game landscape (Voice EX) or to emulate the background scenes in online chat (Chat EX). It also means that you can change your voice pitch to disguise who you are (Magic Voice). These features dramatically increase the fun for voice communication on PC. ...

Complete Dolby Home Theater technologies Inheriting from D2 & D2X, Xonar DX also provides complete valuable Dolby Home Theater technologies for games & 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 & 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 & Direct Sound 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 Prologic IIX) to provide best gaming audio experience. Innovative Vocal FX makes gaming & online chat more lively & attractive Vocal FX is an innovative voice processing technology to let your voice get into the realistic game landscape (Voice EX) or to emulate the background scenes in online chat (Chat EX). It also means that you can change your voice pitch to disguise who you are (Magic Voice). These features dramatically increase the fun for voice communication on PC. ...

Xonar Essence ST
- Industry-leading 124d B SNR.
- Built-in headphone amp drives every available headphone with Industry-leading

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World's first Precision Clock Tuning for Revolutionary PC Hi-Fi audio Industry-leading 124d B SNR Choosing only the best components & finest design, Xonar Essence STX achieves unprecedented 124 d B SNR
- 64 times clear than on-board solutions, bringing top-o-the shelf audio experience for audiophiles. Precision clock tuning for perfect audio Xonar Essence ST is the world′s first audio card to focus on precision clock tuning to minimize audio jitter. The result is extensive musical details & lively sound image presented for revolutionary experience. Multi-channel Upgradable Essence ST is designed to allow full 7.1 surround enjoyment with future upgrade. The high fidelity Xonar H6 multi-channel extension board sold separately in the future provides 120d B signal-to-noise ratio, offering the ultimate surround sound quality ever in the market. Built-in headphone amplifier Most quality headphones require extra driving power from amplifier to perform their best, otherwise, they distort & lose details Driving with Ease & Quality Xonar Essence STX′s built-in headphone amplifier is ready to drive ANY headphone to it′s full performance stage, with under 0.001% distortion Designed in Essence to achieve Excellence EMI-free analog output path EMI shielding seals all analog output signals perfectly from noise, offering distortion-free audio enjoyment Independent power for analog signals Draw additional power from MOLEX ensures the power-sensitive analog signals treated with the cleanest power source Hyper-Grounding circuitry design Utilizing multi-layer PCB design to separate audio from noise
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Story behind the Masterpiece Thousands of years ago, our ancestors crystallized their knowledge of the materials & music into the Chime of Tiger, one of the first audio masterpiece in human history. Gold-plated on the EMI shield, the Chime of Tiger totem not only represents Xonar team′s new footnote in audio innovation, but also mankind's endless pursuit of the Essence of Sound. Industry-leading 124d B SNR (Signal-to-Noise Ratio) Choosing only the best components & finest design, Xonar Essence STX achieves unprecedented 124 d B SNR
- 64 times clear than on-board solutions, bringing top-o-the shelf audio experience for audiophiles. Built-in headphone amp A high-quality TI TPA6120A2 headphone driver supports headphones up to 600ohms of impendence with lower than 0.001% distortion. Drive your headphones as intended without additional amplification. Hyper-Grounding circuitry design This exclusive ASUS technique utilizes multi-layer PCB design to separate signal & noise, ensuring only the cleanest signals are passed to sensitive components. Perfectly sealed analog output path EMI & shielding seals all analog output signals perfectly from noise, offering distortion-free audio enjoyment. High quality DAC The Burr-Brown PCM 1792A Digital-to-Analog Convertor (DAC) converts signals at 127d B signal-to-noise ratio. Nichicon " Fine Gold" professional audio capacitors Using state-of-the-art etching technology, Nichicon " Fine Gold" capacitors deliver rich bass & crystal-clear high frequencies. Swappable OPA Sockets Tune up your unique sound
- OPAMP sockets allow simple, solder-less alteration for user-preferred sound color.

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