ASUS Xonar DGX and Xonar DSX Audio Cards Reviews

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The DGX is the cheaper of the budget Xonar cards we have on hand today. Notable features are its dedicated headphone amplifier and Dolby Headphone for virtual surround sound.

  • Built-in Headphone AMP to power up every sound detail in gaming
  • 3 headphone AMP gain modes for different usage scenarios – VOIP, pro-gaming, exciter
  • Dolby® Headphone technology for an immersive 5.1 surround experience
  • ASUS exclusive GX2.5 gaming audio engine for realistic 3D audio effects
  • Automatic jack-sensing front-panel output


Included with the Xonar DGX comes with a low-profile bracket, screws for the replacement bracket, a driver CD, and a multi-language quick start guide.



The DGX is a half-height card measuring 6.71 x 2.54 in (170.44 x 64.39 mm.) The included low-profile bracket makes this card a contender for a small home-theater PC.


Looking at the outputs, we see a shared microphone-in/line-in, three analog outputs for 5.1 channels, and an optical digital output. Not seen are pins on the card for the front-panel and aux-in.


Here we take a look at the two biggest chips on the DGX. Seen to the left in the image above is the Xonar DGX’s C-Media  CMI8786 audio processor also found in the Xonar DG. The CMI8786 is not PCI-E compatible and a PLX PEX8112 bridge chip which is seen to the right, is used to connect the audio processor across the PCI-E interface.


This photograph takes a closer look closer to the bracket panel. To the right is a Cirrus Logic CS4245 analog-to-digital converter, to the bottom left is a Japan Radio Corp. JRC5532 op-amp which cannot be swapped out, and at the top left is one of two Texas Instruments DRV601 amplifiers. The other amplifier is located closer to the front panel header.

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