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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

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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  • Andrew H.
  • 5/19/2015 8:52:48 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week

5 out of 5 eggsOnce I got it working, it's fantastic!

Pros: Excellent signal to noise ratio. Dolby Digital Live. Really adds punch to your sound. I previously was listening to music and movie soundtracks through onboard audio and most recently through my Radeon HD6950 HDMI port. I felt like the sound system it was hooked to was sounding a bit anemic and read that the audio carried through a video card's HDMI was really not very good. So I bought this one seeing that it had pretty much everything I was looking for as a HTPC enthusiast.

Cons: No true Windows 8.1 sound drivers that are not beta. No decent documentation walking you through your options and how to get sound through the SPDIF Optical port besides putting in the dongle.

Other Thoughts: This is actually not a very new sound card. The technology for sound cards really hasn't progressed a whole lot in the last few years, so there really hasn't been a need for newer models. I bought this card because I was looking for a sound card as my Auzen X-Mystique was PCI and my video card covered that slot up.

If any of you are having trouble getting sound out of the Optical out, try this: First, go to the Asus website and get the most current drivers for your OS. Go to your Windows Sound Mixer and take it off the SPDIF Optical and put it on Speakers. Then go into the Asus Xonar application and select a multiple speaker setup and select SPDIF Optical. Now test your sound. I had to turn the volume WAY down. The movie I was testing it on wasn't letting me hear a voice track. When I changed it in the Asus Xonar application to Dolby Digital Live, I could hear everything as intended.

Mind you, I found the critical piece of information (change Windows Sound Mixer from SPDIF to Speakers on a google search that led me to a particular FAQ page on the ASUS website. I'm not sure I would have otherwise thought to do that.

I would have deducted an Egg for this not being a smooth operation, but the sound quality really blew me away.

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

  • Anonymous
  • 4/23/2015 9:02:38 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsSounds good

Pros: I've had this sound card for over five years and it's still working great.

Still sounds great.

Cons: Get the drivers from the website, the shipped drivers are usually outdated.

Other Thoughts: This is the third sound card i've purchased (for my own use) and see no need to get anything else.

The sound card, before this was an ancient card with a, VIA Envy24HT-S. It sounded great as well, much better then any on board sound. Driver support was out the window, also the old front port jacks were no longer a standard.

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  • William B.
  • 3/19/2015 12:31:39 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month

4 out of 5 eggsGood Product bad instructions

Pros: Do not use CD drivers. Download Asus 2012 drivers and then no problems. Found out hard way. For front audio do not use HD audio plug, use only Analog 97 audio plug to work ,attaching to top front of card. Must use extra power cord for card to work. Instructions are p-ss poor

Cons: Bad CD and instructions. Could be much much better....

Other Thoughts: Asus should up date CD shipped with card and improve instruction then they would have much less complains..

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

  • William B.
  • 3/11/2015 11:03:11 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month

4 out of 5 eggsGreat Card

Pros: I bought the refurbished DX for much less, no problems. Very clean and wide dynamic range and sound depth. 116 db quite is accurate.. Heard of problems with drivers. Don't use CD w/ 2008 drivers use ASUS site drivers 2012. Also don't plug card molex power until instructed to by program to ID device. Then no problems. Use Package CD for other programs only

Cons: Instructions poor. Don't used packed CD drivers old 2008 and problems. Use Asus site drivers.

Other Thoughts: Poor instructions. installed including plug for powering card. Asus drivers could not find device. reboot , unplugged and plugged in when instructed to and then everything went fine . Great sound used for high quality clean sound with my 850 albums/ 320 GB lossless Wave Music to my old 300 RMS X 2 watts .015 percent distortion Pioneer 1980's Receiver

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

  • Dominik H.
  • 3/7/2015 2:45:34 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsDo Not Buy

Pros: The Box looks pretty.

Cons: The Drivers are bad for this sound card and the card was not working properly with giving off sound to the front audio ports which worked before with the MB audio...RMA here i come.

Other Thoughts: I regret buying this product.

Manufacturer Response:

Dear Theaty,

We appreciate your time posting this review and I just want to tell you that all ASUS products undergo intensive quality control testing and inspections. It's unfortunate if you think the "Product" is a huge disappointment. On the contrary, there are lots of very satisfied customers that are having positive experience using the product. For further technical assistance please email at and put case # in the subject line for your reference.

ASUS Customer Loyalty are dedicated in helping you and all other ASUS customers.

Thank you for choosing ASUS.

ASUS Customer Loyalty

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

  • 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

  • Maleka K.
  • 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.

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

  • 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

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Item#: N82E16829132006
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