I didn't think the DSP chip was meant to 'flatten' bass response, I thought the whole idea was to keep the amp from distorting... or is that the same thing?

I always thought it was more of a safety feature from damaging the speaker than it was a tool to help its actual musical performance.

My Stuff :

M80's
QS8's
VP150
EP800
Denon 4802
Emotiva XPA-3
Samsung BD-P3600
Sharp 65 Inch Aquos LCD