Well does the mixamp do anything other then allow me to listen to music at the sametime?Or does it improve the sound quality as well,with the astro headset it allow dolby surround sound or whatever term there using, would that be the same for any headset?

Anyone?

I intend to use it mainly for music from my computer, and sometimes games, along with portable music, and im trying to keep it below 300.   Right now i have some logitech 2.1 speakers along with a new sound ht omega striker sound card.

Also, i suspect i would need a another cord to the amp to my music source right?since i doubt the amp comes with one....

So im trying to decide between these two headsets, from what ive read the a40's arent very good with the bass, and music in general, which is what i would be using it for about 50 percent of the time. Now the akg 701 are suppose to be real good for music and all that, but how about games...and...