In building my system, I decided to cut a couple corners and now I'm having to go back and correct the errors.
1) Profile amps - not bad, but not real good either. Thinking about Kicker 600.1 and 650.4 or PG Xenon 600.1 and 100.4
2) RF P2 8" sub - need more bottom end. I am building another box to go under the read seats and house 2 10" subs(up facing), 2 midbase drivers (forward facing) and a monoblock amp (as long as the dimensions are less than 18.5" X 11.5 X 3.5. I am looking at Elemental Design 11KV2 and Polk Audio MM2104. Each sub will have 0.59 ft^3.
Need opinions or other ideas. The 4 channel sub will need to be 2ohm stable as I will be presenting that type of load from the rear speakers.
All ideas welcome. Still on a budget, but this time I will do it right.