Well, today I traded in my swr 350 amp along with some other odds and ends and picked up a qsc rmx1450 poweramp and a sansamp bass driver. This combination sounds AWESOME on my ampeg 4x10 and i've got headroom galore (the cab is 4 ohms. Even running just 1 channel on it gives me 450 clean watts and that's definately loud enough for a lot of my applications. I'm almost afraid to bridge it, it'd then push 1400 watts into my 4x10!? heh.. Long live poweramps!