I kept stock speakers and just balanced it right with my deck. Bass +/-0, Treble +3, Subwoofer +6-15 (depending on music), Balance +/-0, Fade +3. Keeps the treble up in front where you wanna hear it, and the bass behind you. Kick ass quality...

I have just regular speakers by the way, I just looked today. 1200w amp does the trick!