In my 04 Z06 Corvette, I'm planning out a high end SQ system. I have a CDT CL-641 set, I'm replacing the mid with a DLS Iridium. I'm planning on using the 880prs I already have to cross them. My question is: I have an A/D/S PQ20 amp, and am planning on getting another 75WPC amp to run my...