PHOENIX GOLD OCTANE R8.0:4 for highs
From what I hear phoenix gold makes pretty solid amps. I haven't heard one hooked up to quality components though.
Phoenix Gold is everywhere around my town.I always thought of them as ricer stuff but apparently after reading some reviews and comparisons between other companies, their amps and subs actually arent as bad as I thought. Personally, because it's so common around here, I wouldnt buy them (they're insanely common, there's a kenwood dealer here, but no PG dealer, and yet they're still more common, hence why I always thought of them as crap)
All depends on what speakers you're going to run.
im running infinity 6000's and jl vr's
i got a PG amp... octane r mono.. i love it