You lack one thing.

A number for your budget.

If you dont have a number, then I can't help but merely comment on other people's suggestions.

If you want lots of bass with as little distortion as possible you want this:



Its big, powerful, and costs nearly a grand before shipping.

And it weighs 80 lbs on its own so have fun shipping it.

Theres this one as well:



but its not as clean sounding, but its amazing for output.