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Asus Essence STX II 7.1 Sound Card / Headphone Amplifier Review

The test system we used today is listed in detail on this page.
OLYMPUS DIGITAL CAMERA
It uses an ASUS Maximus VI Hero Z87 motherboard.
essence stx
Setting up the Asus Essence STX II is straightforward. Simply connect the Molex cable, insert into a free PCI Express slot and start up the system. Insert the bundled software disc and install the drivers.
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It is critical to connect a Molex header, or the sound card will not work at all. The software warns about this, just before the install starts.
essence software1essence software2
After a few minutes, the driver is installed and it is possible to check the revisions, shown above.
essence software3
After a reboot, the software worked without a hitch. Not something we always say about ASUS software, which has a bit of a reputation for being ‘clunky' and temperamental. The main panel shows an output graph, volume control, SVN and Mute control and a series of presets for Movie, Music, Game and Hi-Fi.

The Asus Essence STX II has full support for:
Analog Playback Sample Rate and Resolution :
44.1K/48K/96K/192KHz @ 16bit/24bit
Analog Recording Sample Rate and Resolution :
44.1K/48K/96K/192KHz @ 16bit/24bit
S/PDIF Digital Output :
44.1K/48K/96K/192KHz @ 16bit/24bit
ASIO Driver Support :
44.1K/48K/88.2K/96K/176.4K/192KHz @ 16bit/24bit
glennfrey
We tested with a variety of 24 bit 96khz/192khz FLAC files, downloaded from HDTRACKS and Linn Records. We had no problems getting the system to correctly decode the audio tracks.
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The Asus Essence STX II software has options to suit a variety of headphones, from easy to power <64 ohm drivers, to difficult to power 600 ohm drivers, such as those featured in the Beyerdynamic T1 Tesla.

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4 comments

  1. Really nice review you obviously put a lot of time into it.., it would be nice to see the difference when you connect this card to headsets and speaker systems in the enthusiast pricing range. I’m an audiophile too but unfortunately those nice valve mono blocks and headsets are a dream.

    i found this card for 120 pounds on amazon, is it worth buying if i’m connecting it to a Corsair Vengeance 2100 Wireless Dolby 7.1 Gaming Headset and my Bose ® Companion ® 3 Multimedia Speaker System 2.1?

    Many Thanks

  2. Hi Anthony – without testing all the products you mention together it is difficult for me to give an answer. I did notice a marginal improvement when using my Corsair speakers over the integrated onboard sound on the ASUS Z87 motherboard. The headphone amplifier is really excellent, especially the gain options which can help drive ‘difficult’ headphones.

    The good thing is, if you bought from Amazon and ended up not feeling it improved the experience, you can always return it under Amazon’s policy, without hassle. I would be curious to hear what you thought, if you bought it.

  3. THE SAME SHIT SOFTWARE hahah they need to change it so bad

  4. Great review