so i have recently discovered yet another wonder audio enhancement called ViPER4android. its simple to use and install, no flashing necessary but your phone needs to be rooted.
head to that link for more info
[APP] ViPER4Android Audio Effects (FX 2301 & XHIFI 2102-1) - 12/10 EN Website WIP - xda-developers
This app is amazing! it surpasses acid audio engine by a huge margin
**the bass is deep and clear with NO distortion while maintaining proper song detail
**the surround is also incredible
**it comes with its own equalizer
**it has no conflicts with beats audio at all
**very stable with no errors
its a bit of a battery drainer though and i highly recommend using it in conjunction with Poweramp for best results