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Item#: N82E16829132006

ASUS Xonar DX 7.1 Channels 24-bit 192KHz PCI Express x1 Interface Sound Card

  • PCI Express x1 Low Profile, 7.1 Channels
  • Powered by complete Dolby Home Theater technologies
  • VocalFX voice processing technologies
  • Delivers ~35 times cleaner audio quality
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The ASUS Xonar DX is a PCI-E sound card with a 116 dB Signal-to-Noise Ratio (SNR), which provides audio that is 35 times cleaner than onboard audio. With the support of Dolby technologies and GX2.5, the Xonar DX provides rich audio effects in games and theater quality audio in movies.

Dolby is globally recognized for their innovations in audio for cinemas, home theaters, PCs, and games. With Dolby technologies, your PC is upgraded to surround sound and transformed into an immersive digital entertainment center. These include Dolby Digital Live (Real-time 5.1 Dolby Digital surround sound encoding), Dolby Pro-Logic IIx (Converts stereo or 5.1 sounds to a seamless 7.1 surround sound field), Dolby Headphone (Delivers a realistic and spacious 2-to-5.1 surround or 3D positional sound field over any set of stereo headphones), and Dolby Virtual Speaker which simulates a highly realistic 5.1 speaker surround sound listening environment from as few as 2 speakers.

ASUS designed GX2.5 to simulate EAX game effects and makes them available on Windows Vista/7 PCs. GX2.5 will automatically emulate the latest EAX technologies without additional software.

  • newegg High Signal-to-Noise Ratio (SNR) A high SNR rating means less unwanted noise. Therefore the audio is cleaner which translates to better sound quality. The Xonar DX achieves a 116 dB SNR rating for clear audio in games, movies, and music.
  • newegg Dolby Technologies A rich Dolby feature set is supported in order to enhance PC audio with surround sound. A surround sound experience can be achieved with as little as two speakers or even headphones.
  • newegg GX2.5 GX2.5 automatically emulates the latest EAX technology – up to EAX5.0, to offer advanced environmental audio effects. While enhancing the feeling of actually being in the game, GX2.5 also improves on directional audio information.
  • newegg Low Profile The Xonar DX is bundled with a low profile bracket for compatibility with HTPC cases.
  • newegg VocalFX 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).

Learn more about the ASUS Xonar DX


Xonar DX

Audio core

Audio Chipset
Sample Rate
Digital Audio


Line In
1 x 3.5 mm jack (1/8") (shared with Mic-in)
Line Out
4 x 3.5 mm jack (1/8") (Front out/Side out/Center-Subwoofer out/Rear out)
1 x S/PDIF out (1 x Optical (Toslink)/(combo with analog in))
1 x 3.5 mm jack (1/8") (shared with Line-in)
CD/Aux In
1 x 4-pin header
Other Ports
1 x Front-Panel Header


PCI Express x1
Operating Systems Supported
Microsoft Windows Vista(32/64bit)/XP(32/64bit)/MCE2005
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
Intel Pentium4 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


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)

Physical Spec



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
Quick Start Guide

Manufacturer Warranty

3 years limited
3 years limited

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the ASUS Xonar DX

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  • Ian M.
  • 2/23/2015 2:04:52 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsEffective, as advertised product

Pros: PCI express interface for those modern motherboards with few full-size PCI slots.
Easy to install (just remember to attach the 4-pin connector to one of the PC's 4-pin power cables).
Provides that 5.1 or 7.1 sound which is becoming ubiquitous.

Cons: If you have an older motherboard, with no PCI Express x1 slot, it won't work.

Did you find this review helpful? Yes No

  • Cody K.
  • 2/17/2015 2:28:54 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsawesome for price

Pros: This card installed easily. the drivers were very easy and simple to update from asus. immediately after installing the card i noticed a huge difference in audio output quality as compared to my on-board audio. I am running an asus rampage III extreme and this card is well worth it for the price.

Cons: none yet

Did you find this review helpful? Yes No

  • Michael M.
  • 1/18/2015 1:18:07 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsMic Interference

Pros: The sound quality has been very good on this card with no complaints on what I hear.

Cons: I've had a lot of interference with what is recorded on my mic when I'm playing games. This is probably due to my graphics card giving off a lot of electromagnetic radiation. It would be nice if these cards were magnetically shielded.

Other Thoughts: I might try an external (USB) sound card next to see if it gets rid of the mic interference issues.

Did you find this review helpful? Yes No

  • Ben P.
  • 1/9/2015 8:18:48 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsNot thrilled

Pros: Full 7.1, good price, emulates EAX. Very good sound quality over high-impedance headsets. Noticeably better than onboard Realtek chips.

Cons: No digital interfaces. The drivers themselves seemed ok, but the control program is something out of the 90s. Confusing interface, and levels would sometimes randomly change when using different applications requiring sound (especially java). Also, if a game crashes while it's feeding sound to your ears, it will get stuck and play the last wave it was playing continuously (the only way i could stop this was to UNINSTALL the card and reinstall it - device manager / remove device / reboot - a simple reboot doesn't fix it).

Other Thoughts: I switched this out for a Creative SoundBlaster Z (5.1). I didn't really need full 7.1, and now I have BETTER sound quality, digital interfaces, and regularly updated drivers with a software interface that makes sense and WORKS.

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  • Anonymous
  • 11/25/2014 5:49:19 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsGreat sound.

Pros: Dedicated sound is always better than integrated. This card produces great quality audio.

Cons: Very poor driver support. 3rd party modded drivers required to fix some Windows 8.1 bugs.

1 out of 1 people found this review helpful. Did you? Yes No

  • John R.
  • 10/30/2014 12:26:52 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsDecent

Pros: -Price
-Dolby Headphone

Cons: -No Amp
-Not GX 2.5 as advertised
-Not much better over my motherboard audio (See below)

Other Thoughts: I got this card as an upgrade to my Motherboards audio (Supreme FX IV off the Maximus V Formula Republic of Gamers). Surprisingly, there wasn't much of a difference in sound quality. The most noticeable change was when gaming and listening to music at same time, my motherboards audio would dim or cut out during bassy notes or explosions. With this card sound stays solid and I did notice a tad crisper notes. The best feature of this card was the Dolby Headphone! This feature is absolutely amazing in games, movies or music that support 3D positioning.

Sadly, description states it has the GX 2.5 emulation, but it is infact only 2.0, Gx 2.5 boasted some major upgrades over 2.0 as noticed with my roommates DGX which has it. It also does not have a built in AMP, which I kind of relied on with my Motherboards audio.

All in all, if you game, save yourself the money and get the DGX instead, as it has a built in AMP, GX 2.5 and still gives you partial Dolby technologies, most importantly Dolby Headphone. Music and Movie lovers would better benefit from the full feature set of Dolby, 192Khz and outputs of this DX. Or, for the Audiophiles like me with high end headphones, get the Essence STX over all.

2 out of 2 people found this review helpful. Did you? Yes No

  • Christopher A.
  • 10/26/2014 1:19:04 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsTerrible Card and WORST customer service I've ever experienced

Pros: None

Cons: Worked for about a year before giving me popping noises before cutting out entirely and refusing to play anything. Their RMA procedure requires you to not only provide your own box and packing materials (first time I've ever seen a company not overnight you a box) AND then they don't even bother to pay for the return shipping. I had to front the shipping materials and all costs thus far because their shoddy product didn't even last a year! That's not the end of it. A week after the post office states that it was delivered (for your sake, make sure you have tracking numbers because these people are inept) and THEY HAVE NO RECORD OF IT BEING DELIVERED. A week goes by and nothing from them regarding the status of the RMA. No updates on if they actually have the card, much less if they've bothered to look at it, determined what's wrong, or if they even care. For all I know my card was thrown in the trash as soon as it went through the door! This is the SECOND of their audio cards I've had die on me in three years and I can guarantee I wont be buying a third.

Other Thoughts: Do yourself a favor and stay as far away from these cards and this company as you can manage. I'd sooner light $100 on fire before I consider buying one of their products ever again.

3 out of 5 people found this review helpful. Did you? Yes No

  • Richard N.
  • 10/17/2014 1:09:19 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsI can hear everything!

Pros: Great sound, very rich and clear
shiny box
so shiny

Cons: Bit of a struggle to setup
Front panel audio jacks are a touch-and-go
probably need 3rd party drivers

Other Thoughts: I was looking for a decent sound card, and this sound card caught my eye. I received the shipment promptly and slapped it into my tower. I read up on it before buying it and decided to use 3rd party drivers rather than ASUS drivers because I read about their poor driver support, after a few hours of fiddling around with it, I finally got the sound to work.

Man oh man, the sound is absolutely incredible, rich heavy lows, crisp highs

I docked an egg off because the sound card did not recognize my front panel audio devices, my headphone cables are kinda short and the rear facing jack is very far away from me, so I was forced to do a workaround in order for the cables to reach to reach. When I get my new headphones, short cables will not a problem (incoming 3m long modular cables yeahya~)

The emulated 7.1 surround is absolutely incredible with a pair of Sony MDR-ZX300's, and I'm waiting for my ATH M50x's to ship, can't wait to try out the sound card with that beast. There are some other audio options in the Xonar audio center like karaoke or sound fx, but it's mostly bloatware, the equalizer is good, but it's kinda hard to fine tune it, as the sliders are very very very tiny.

If you don't mind spending some time taming this mustang, you'll be pleasantly surprised of how great she runs. I'd definitely recommend it to a friend.

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  • Charles N.
  • 10/5/2014 10:28:01 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsAmazing card!!!

Pros: An amazing card, plenty of power to push anything you have.

Cons: Asus Drivers SUCK!!!! Go download the UNi Xonar Drivers !

Other Thoughts: Download the UNi Xonar Drivers

Did you find this review helpful? Yes No

  • Esther P.
  • 9/16/2014 8:46:35 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsWOW

Pros: Fantastic freaking sound!! Upgraded from Asus onboard audio.. didn't want to set my expectations too high, but when I finally got the thing working I was completely blown away. I've been listening to mp3's, and hearing things in songs I haven't heard in years of listening to them.

I was hoping for good things from this card after the mostly positive things I had heard about it, but this card blew away what my highest expectations had been. I have never written a review on any product I have ever bought, until now.

I can't recommend this card highly enough.

Cons: The one con with this sound card is the time it took me to get it properly working. I installed the latest driver from the ASUS website, and of course it didn't work right. I had to work on this thing 6+ hours to get this thing working correctly, including me messing around with various settings, calling the ASUS helpline and getting absolutely nowhere, and checking out dozens of websites for help. This is a problem that needs to be addressed soon by ASUS or they will continue to get the many complaints I saw around the web.

But, when you get past these problems, the card is absolutely fantastic. I've had a smile on my face for the past 3 hours.

Other Thoughts: I was getting ready to throw the towel in with this sound card. Went through a long call to Asus help line, and knew less after the call was finished. They are so completely obtuse, I actually felt I had lost 10 IQ points after the call. The lady took me through obvious steps that even my mother would know, and when they didn't work, she said it wasn't ASUS's problem, that I should call NewEgg and tell them to send me a new sound card. ACK!

But after messing around with it for a while longer, I got it to work. What a great sound card.

1 out of 2 people found this review helpful. Did you? Yes No

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Item#: N82E16829132006
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