Summary: This is a relatively cheap sound card but it definitely does a better job than the 7.1 chip on my new motherboard. I use Sennheiser HD595's through a Sony amp while listening to all genre of music. This card is accurate, doesn't impose any coloration and feels relatively flat across the spectrum. Negative is the lack of color coding on the inputs/outputs. Colors have been standard for a very long time.
Summary: I have built two identical gaming systems for my wife and myself. I purchased this card because I wanted to use PCI-E slots on the motherboards (a card in the PCI slot partially blocks the power supply ventilation intake in my Antec 900 cases). I already had a Creative X-Fi Titanium Fatal1ty in one system, so I only ordered one of these at first to test and compare. It works perfectly, and sounds incredible!
Summary: Playiing BF3 on this card was so much better. I didn't know what I was missing. Positional audio works which is key in stealth ops in BF3. I was disappointed that there was no optical/coax outputs on the back. I took it for granted that there would be. Surprise Not.
Summary: I will just say what I think. I have always used creative x-fi. The last few years the support and drivers haven't been that good so I switched to asus Xonar. I can't hear the difference at all. The drivers and software still seem like an afterthought. So after saying that. I think both sound great, I just can't hear or see the difference. I would go with what one is cheaper at the time.
Pros: Price, size
Cons: Not any better then any other sound card I've used
Summary: good card, lack of headphone amp still powers up my headphones fine, i have some 60 ohms headphones. sound is amazing on this, with the equalizer you could set it to whatever you want it to sound, amazing!!
Pros: great sound, SONAR, good brand, excellent config
Summary: This is a fairy decent card, and a huge upgrade from onboard audio. The average PC user will be more than happy with this card. It is a shame that the Xonar DX does not include a headphone amp though. That is the only downfall with this sound card. If it had a headphone amp, this would be the card to get for under 100 bucks. In this price range, the Auzentech Bravura is a much better buy for headphone users.
Summary: Works excellent. Love the different features on it and am very pleased with the user interface. It looks good and I normally just keep it up on my second monitor. Bf3 is so much more fun to play and it does movies really well too.