I'm a newbie here and to car audio in general, so i need some sound advice. the setup im currently running in a BMW X5 consists of 2 sets of infinity kappa perfect 6.1 components, 2 kicker zx450.2 amps for the components, 2 12" kicker l7 subs, 2 kicker zx750.1 amps for subs, and a pioneer n3...