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Item#: N82E16829132010

ASUS Xonar Essence STX Virtual 7.1 Channels 24-bit 192KHz PCI Express x1 Interface 124 dB SNR / Headphone AMP Card

  • PCI Express x1 7.1 Channels
  • 124dB SNR Rating
  • Built in Headphone Amp
  • 3.5mm and 6.3mm Headphone Compatibility

IronEgg
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This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


The ASUS Xonar Essence STX is a PCI-e audio card that is designed for the music enthusiast. Equipping the Xonar Essence STX with the best components and the finest design, the STX delivers a top-of-the-line audio experience with a 124 dB SNR rating. With a built-in headphone amp that can power headphones up to 600 ohms and 6.3 mm headphone jacks, the STX makes a perfect pair with high-end headphones.

  • 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 STX is the world’s first sound card to achieve a 124 dB SNR rating for crystal clear audio.
  • newegg Built-in Headphone Amp A high-quality TI TPA6120A2 headphone amp supports headphones up to 600 ohms of impedance with lower than 0.001% distortion. This allows users to drive their headphones as intended without additional amplification.
  • newegg EMI Shield EMI shielding seals the RCA/headphone signals from noise and offers distortion-free audio.
  • newegg Nichicon “Fine Gold” Professional Audio Capacitors Using state-of-the-art etching technology, Nichicon “Fine Gold” capacitors deliver rich bass and crystal clear high frequencies.
  • newegg 6.3 mm Headphone and Mic Jacks The 6.3 mm headphone jacks offers compatibility with high-end headphones. An adapter is included for the usage of headphones with 3.5 mm connectors.
  • newegg Upgradeable Op-amp The Xonar Essence STX can be upgraded with the Xonar Op-amp Upgrade Kit for a blend of natural sound and enhanced quality.

Learn more about the ASUS Xonar Essence STX

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the ASUS Xonar Essence STX

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  • Mike B.
  • 8/13/2015 11:22:45 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBuy it.

Pros: The sound quality moved me to tears. I have neurological hypersensitivity to sound and for the first time I'm unable to detect the slightest amount of distortion or noise in the audio. I knew it would be an upgrade but I wasn't expecting such an extreme boost in quality as I tend to notice artifacts that are typically beyond human perception. This card is worth every penny of the purchase price.

Cons: Enduring life without one.

Other Thoughts: Remember to plug in the power connector when you install the card.

Did you find this review helpful? Yes No

  • Anthony B.
  • 8/10/2015 10:22:03 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggs

Pros: Functions wonderfully, really high quality audio.

Cons: Drivers are garbage at best. Had to do a fresh reinstall to get it to even function.

Did you find this review helpful? Yes No

  • Alex B.
  • 8/8/2015 1:39:24 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsASUS Support Is Horrible

Pros: Great when it worked

Cons: ASUS support is horrible
No driver support for Windows 10

Other Thoughts: ASUS has lost all my respect after this. Don't trust a company that can't keep their products up to date. I contacted them 3 times and their solution was to have me ditch Windows 10 and go back to Windows 8.1 or 7.

Instead of just updating their software, they told me to reinstall a different operating system.

Did you find this review helpful? Yes No

  • Alex B.
  • 7/30/2015 8:48:56 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsWAS a great card

Pros: Great for gaming and music.
Virtual surround

Cons: No Windows 10 Drivers

Other Thoughts: This card was awesome until Windows 10 came along. None of the drivers work with Windows 10.

Manufacturer Response:

Dear Alex,

I want to thank you for posting this review and I understand that you have an issue with the sound card. On behalf of ASUS we apologize for any inconvenience this issue has caused you but let me go ahead and further assist you. Can we have a detailed information that you are experiencing with the sound card was there an error message?

For further technical assistance or if you want to discuss this matter with me, please email me at customerloyalty@asus.com and put case #N150787979 in the subject line for a reference. I'm here to help you and all others with these issues, as our customer loyalty department dedicated to bringing a resolution to all issues related to our products.

Thank you for choosing ASUS.

Best regards,
Jerry
ASUS Customer Loyalty

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

  • Nicholas P.
  • 5/29/2015 11:10:34 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsI own TWO of these cards....

Pros: The sound quality is incredible, best you can get in a PC really... easy opamp access, and I've never had one die or give me a single problem.

Cons: Here is where it gets dicey. The software is TERRIBLE. Asus has neglected this card, and not released drivers for 8.1 (that isn't beta) or even 10 yet. This card is so widely used why wouldn't you support your product and keep it alive. When I do upgrade my HTPC and Gaming PC cards.. this is going to really have me considering other cards

Also, this card will rarely crash your PC when coming out of sleep mode so beware.

Did you find this review helpful? Yes No

  • Steven S.
  • 4/19/2015 5:39:51 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsDont Believe the Hype

Pros: -Eye candy inside case
-Built in amp

Cons: The drivers were a pain to use. Each output does not show up in the Sound section of the control panel as I expected but rather its one output and you have to use their proprietary software that looks like its a decade old. There were some issues with my mic in some games where people were just unable to hear me but with onboard audio everything worked fine. My other issue is that the drivers seemed to alter the sound too much. I get that they were trying to make the sound specifically for games better but it is poorly implemented.

-Needs separate molex power connector
-Drivers are down right awful

Other Thoughts: I am a big believer in ASUS products but the fact that they thought this product was ready to be put on sale baffles me. If you want audiophile sound, do yourself a favor and get an external DAC/Headphone Amp combo instead. I am much happier with that set up

Newegg was awesome and refunded all my money and even paid for return shipping. I will continue to come here first for my various computer part needs.

Manufacturer Response:

Dear Valued Customer,

We sincerely apologize for the inconvenience that you experienced with the unit.

Please be advised that there are specific drivers and tools that the customer can use for the unit depending on the unit's operating system, please visit our website, http://www.asus.com/ph/Sound_Cards_and_DigitaltoAnalog_Converters/Xonar_DG/HelpDesk_Download/ for more information.

If there is anything else we can assist you, please contact me directly at customerloyalty@asus.com and place the case #N150486407 in the subject line for reference.

Thank you for choosing ASUS products.

Best regards,
Jerry
ASUS Customer Loyalty

Did you find this review helpful? Yes No

  • Charles C.
  • 2/13/2015 12:31:23 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsDO NOT BUY THIS CARD

Pros: NONE

Cons: the drivers do not work for Win 8.1 and are BETA drivers

Other Thoughts: CAREFULLY read the specs before purchase if you have to purchase from Newegg. SInce I have a local dealer I will get my new sound card from them

Manufacturer Response:

Dear Chasmo,

In behalf of ASUS I want to apologize for the inconvenience this issue may have caused you. I understand that frustration and I know that your disappointed with the unit. 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. I want to help you with the issue so if you can please provide me with further details and email it to me at customerloyalty@asus.com and put case # N150262518 in the subject line for your reference.

ASUS Customer Loyalty are dedicated in providing a good customer experience.

Thank you for choosing ASUS.

Regards,
Mark
ASUS Customer Loyalty

4 out of 7 people found this review helpful. Did you? Yes No

  • Timothy M.
  • 1/30/2015 9:56:07 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAwesome Reproduction!

Pros: This card is mechanical - it clicks its way to life as you start up the computer. When you switch outputs it clicks, it gives you a feel of quality that you would not have with a regular sound card you could buy.

Plug a decent set of headphones into the jack and your ears will light up with music you have not heard before. Clarity is the word I would use to describe it, there is no coloration with the sound out of this card.

Cons: The software is pretty clunky, like it was designed in the late 1990s. Once you figure it out you can switch outputs and get groovy sounds, yo.

Other Thoughts: Do you need a card like this? Not really. Do you want a card like this? Yes, yes you do.

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

  • Tanner P.
  • 1/30/2015 5:25:58 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsGood sound, bad drivers, and input latency

Pros: Sound is great! Works fine for me with music, movies, and games. I plugged my guitar into the input and it sounded 100x better than my onboard sound. Also a very nice looking card.

Cons: Two major problems:
1. I can't get past an issue where I get BSODs (DRIVER_IRQL_NOT_LESS_OR_EQUAL) upon waking from sleep. It only happens about 1 out of every 8 times, but I'm not willing to just live with a problem like that. I tried installing the most recent ASUS drivers and several versions of the UNi Xonar drivers but didn't have any success. Note: this is for Windows 7 64-bit.
2. There is a very noticeable input latency when you play the line-in through your speakers. It's probably about 0.1 seconds which is super noticeable if you're trying to record music or just play guitar along with another song.

Another note: the different EQ settings in the audio center program are really bad.

Other Thoughts: There are a lot of good things about this sound card, but the two issues I mentioned were dealbreakers. I had 2 months to try to resolve these issues (thanks to the Iron Egg guarantee) but couldn't, so I had to RMA the card for a refund.

Did you find this review helpful? Yes No

  • Tyler M.
  • 1/20/2015 12:58:57 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsCannot Go Wrong

Pros: Well, expect this review to update; however, the card is amazing! So far I have yet to recieve my DT880's 600OHM impedance; coming today too. Without top of the line headphones one may think that simply hearing a difference would be challenging. On the contrary, they turn horrible logitech speakers into pure gold, or at least the shiniest of two turds. I would highly recommend this card not simply because of the sound quality it delivers, but design and proper shielding too. I apologize for any spelling or grammatical errors, I just cannot think straight with this awesome sounding clear and concise music blasting.

Cons: None so far, besides maybe the molex connector needed, but that was no problem. Although, the molex connector did not seem to fit too well, but it fit none the less.

Other Thoughts: Expect this review to update over the course of a couple of weeks.

Did you find this review helpful? Yes No

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Item#: N82E16829132010
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