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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)


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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  • Andreas K.
  • 8/9/2014 6:17:18 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsSo far so good.

Pros: There really is a perceptible difference to the onboard audio, of course. It's hard to be subjective when you're not able to do a blind listening test yourself, but I do percive a slight difference. I was able clearly hear some detail that was slightly muddled before in some heavily layered tracks.

I also use the card to mess about with REAPER a bit, and it's been working fine on 24bit/88.2kHz projects with a 10ms latency. I haven't tried dropping it further, but I'm not needing anything lower at the moment (Side note, the xonar control pannel only has 44.1, 48, 96, 192kHz sample rate selection options).

Cons: 1] It seems that you can't customize the quick DSP modes in the Xonar Audio Center software outside of their default values. Plus there's no quick "right-click" menu in the tasbar to change modes, requiring you to open up the control pannel and reset the settings you want.

ex. To play a game: open up the control panel > click GAME mode > set to 8 channels > click DH-1 room setting > click flexbass tab > turn on LFE crossover.

To play a audio: open up control panel > click HiFi mode > set to 2 channels.

This is just a small annoyance, but an annoyance just the same.

2] As other's have stated, just be gentle when inserting the 4 pin power connector.

Did you find this review helpful? Yes No

  • Paul L.
  • 8/6/2014 4:15:59 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsASUS Xonar DX 7.1 review

Pros: I am very pleased with this sound card. I typically used another manufacturers sound cards for past builds. After comparing the ones that met the requirements that I have, I opted to try the Asus card. It is quite an improvement over the board's built in sound processor. The sound quality is right up there its competition. Well worth the investment in my opinion.

Cons: It was a little tricky to get my system to initially see the card, but once I loaded the drivers everything fell into place. I wish the driver update website offered a cleaner, easier to use format as well, so there is room for improvement. Overall, I am very happy with my purchase.

Other Thoughts: My build;
Asus X79 Deluxe MB
Intel core i7 3930K CPU
Artic Freezer i11 CPU cooler
EVGA Supernova 1000 PSU
Asus Xonar DX 7.1 sound card
G. Skill Trident DDR3 1600 (32GB)

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  • Mr. R.
  • 6/16/2014 8:44:07 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsExcellent sound!

Pros: This card produces excellent sound for the money. I have Klipsch 5.1 ProMedia speakers connected and music and movies sound excellent. Also have Audio Technica ATH A700X headphones and with this sound card gaming is AWESOME!

Cons: None

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  • Danny L.
  • 5/31/2014 2:22:03 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

5 out of 5 eggsXonar DX

Pros: -Great SnR
-Excellent Sound Depth and Audio Position
-Barely hear Static Noises
-Works on most Analog Speakers/Headphones
-Official Driver works perfectly with Windows 8.1 64-bit
-You don't have to plug in with HD Audio Panel Header directly to Sound Card (Optional)

Cons: -Some audible clicking when booting/restarting/shutting down the computer system
-Requires 4-pin Peripheral to power up the Sound Card
-EAX is useless
-DS3D sounds terrible
-Dolby DSP is futile for musics, movies, and even games!

Other Thoughts: *Update*

You can actually use Smart Volume for music, games, and videos if volume is tuned correctly. Usually around between 70-90 is fine; however, if you cannot hear everything else except music background is louder, you also have to make speaker volume/headphone volume higher in order to hear everything else. So, tune Smart Volume cautiously.

Make sure you set up correctly for Sound Mixer. It should be around between 76-84 volume.

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  • Danny L.
  • 5/29/2014 3:07:38 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

5 out of 5 eggsASUS Xonar DX

Pros: -Excellent SnR
-Excellent Sound Quality
-Barely hear Static Noises
-Quick & Easy to install the official driver from ASUS website
-It sounds much much better than most common use Realtek Onboard Audio
-No problem with Windows 8.1 64-Bit Operating System
-You don't have to plug in with HD Audio Panel Header directly to Sound Card (optional)

Cons: -It makes some minor clicking noises when you perform Cold Boot/Warm Boot, Logging in to Windows Desktop/Restarting/Hibernating/Sleeping/Shutting Down
-It requires 4-pin peripheral to power up the Sound Card from power supply
-Most games doesn't support EAX, but sounds horrible , compared to regular sound extensions
-Smart Volume is useful to make music sound louder, but in games, you can barely hear other sound layers such as Weapon Sounds, Explosions, Dialogue Speech, etc.
-Dolby Virtual Speaker and Dolby Pro Logic IIx causes excessive sound distortion for games, musics, and movies. (Not Recommended)
-DS3D uses Dolby Virtual Speaker and Dolby Pro Logic IIx make it sound louder, but causes unnecessary sound distortion when gaming
-Mixer works pretty well at default 76, but when going over 80, it causes too much "boom" effect and you can barely hear character talking in game nor can you hear your own weapons firing at your target and it is recommended to leave sound mix default 76 or go up to 80 and that's it.

Other Thoughts: I noticed a big difference between ASUS Xonar DX and Realtek ALC898 Onboard Audio when it comes down to loudness and sound clarity. Onboard Audio kept making unwanted Static Noises at volume which I get disgruntled at all times!

When I use Realtek ALC898 Onboard Audio, volume sounds extremely low and I was enticed to tune the speaker volume very high so that I can hear everything when playing games, music, and videos. Sound Card, on the other hand, was just astonishing! I simply change playback devices via Windows Desktop and it was easy and simple. Furthermore, I did sound testing with Sound Card and Onboard Audio and I've got to say that Sound Card definitely makes sound clearer, you can barely hear static noises, bass sounds much stronger since I can manually change sound mix which is excellent, I am glad that I no longer use Onboard Audio solution. From my experience, I've been using Onboard Audio for 15 years and people have been saying gamers don't really need sound card due to the fact onboard can delivery great sound quality, but it was simply not Of courses, some high-end sound cards are needed for audiophile and yes, they're quite expensive! Since I don't work audiophile, all I need is decent budget sound card and enjoy with the music, games, and movies that will soothe my ears!

Overall, I highly recommend this sound card for gamers and you don't need to spend over $150 to use budget speakers. If you're getting Corsair SP2500 2.1 Speakers or very expensive headphones, you better buy ASUS Xonar Essence STX Sound Card!

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

  • Joseph S.
  • 5/6/2014 5:45:40 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSuperior sound.

Pros: I bought this card so I could take full advantage of my Turtle Beach 5.1 surround headphones. It simply works fantastic. Immediately I noticed the noise from my 7.1 motherboard audio vanish and quiet crystal clear sounds flooding my ears. One feature that I consider to be a bonus is the Smart Volume Normalizer (SVN). When turned on it plays any and all audio at the same level no more manually volume adjusting when switching between any audio streams or sources... For the price, this is a great quality hybrid card if you like gaming, music and DVD/Blu-ray.

Cons: I think Asus could do a better job with with respect as to how you update the drivers. The updated drivers are easy to find on the Asus Support site but Asus requires you to install downloader software to get them.....then you need a program like winrar to open the files before you install them. This is more of a hassle than a big deal but it would have been better if Asus had an "auto-update " feature in the user interface.

Other Thoughts: Card was installed on an ASUS 990FX Sabertooth board.
Windows 7 64 bit.

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

  • John D.
  • 5/3/2014 9:51:04 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsEverything Sounds Better

Pros: Much better sound quality in movies, games and music than onboard sound. Loving it so far.

Cons: It would be lovely to have more control over the individual outputs instead of using presets.

Other Thoughts: I had to connect a long 4 molex cable and add floppy adapter to the bottom of my case for now to get power to it. I'm going to have to customize one of the modular cable to remove the bulky unused portion of the molex cable.

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  • William R.
  • 4/24/2014 7:37:47 AM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsDOA

Pros: NONE.. DOA. I attempted the install in 2 different computers, and was very careful with the power cable and there was simply no life

Cons: Neweggs return services are pretty good. Even though I would rather not pay to ship back.

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

  • Anonymous
  • 3/26/2014 1:56:33 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsBeautiful sound

Pros: Beautiful sound quality. No-hassle PCI passthrough to a Xenserver guest!

Cons: Annoying power connector. Be very careful with it. I still haven't figured out how to disconnect it without applying force, so the power adaptor is installed permanently as far as I'm concerned.

Other Thoughts: My use case is undoubtedly not typical. This card is mounted on an Asus P9D-C/4L running Xenserver, and is dedicated to an Ubuntu virtual machine using PCI passthrough. It works perfectly and sounds fabulous.

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  • Carol A.
  • 3/15/2014 8:16:13 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggs

Pros: Plenty of ports including internal connectors for the front panel.

Cons: The drivers it came with wouldn't install so I had to find other ones on a website. The card didn't recognize the internal ports so I had to get an extension cord to use for the back ports. After a few months of usage, it died and I am about to return this.

Other Thoughts: I would not recommend purchasing this unless you really need the nice 7.1 audio set up it provides. Otherwise, it isn't worth the price if you are only using it with headphones.

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Item#: N82E16829132006
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