I bought a Creative Sound Blaster X-Fi Titanium Fatal1ty Pro today.
Had it before.
Much better sound card.
Can not be bothered with all the problems.
See if they come with better drivers then.

Make sure you fill out a bug report form if you are experiencing issues in other games. Mail that in to the address provided. If you don't, and it is a separate issue from Punkbuster and BF3 then there is little chance of it being patched unless you fill out a comprehensive report of the problems. Also make sure your system is fully stable - return to safe stock parameters to make sure the crashes are not being caused by instability.

I do not know what you are but where you're wrong.
I have Z-906 5.1 THX, DTS. Speakers where you can hear everything.
ASUS ROG Xonar Phoebus is a good sound card.
But drivers are not good at all.
What I noticed immediately when I installed Phoebus was that there was not good at high frequencies.
If you only use Dolby Home Theater Graphic Equalizer and no other settings where it is good sound.
Putting the Dialogue Reinforcement increases a little treble part but then it does not sound good at all.
But not good treble.
One would have mylligheten here to have a separate Treble controls that are missing completely at Phoebus.
Then Dolby Home Theater Graphic Equalizer, you can only increase to 12dB, which is too little.
It would be more 24 dB
Then base and base pressure is much better with Creative Sound Blaster X-Fi.
But the base is at Phoebus will do well.
Creative Sound Blaster X-Fi Titanium Fatal1ty Pro bass makes you fly out the window.
Then I noticed it immediately MP3 files does not sound good at all times to Phoebus.
Late in Phoebus Works Volume Equalization both good and bad.
If you put on it so the sound in Crysis for example is much better.
Here you can hear the surroundings in the game such as wind, birds, etc. much more but the sound of the gun you have will disappear completely, I think.
Very little is left but turn it off as slamming or Pangar gun at me.
Then I bought Creative Sound Blaster X-Fi Titanium Fatal1ty Pro because I want a backup.
I have not tired of Phoebus one.
But would the tweeter be better off with Phoebus, I would have left the sound card.

Forgive me if I Spelling up a bit