[GSteg]

personally...i wouldn't wanna use those pyramid amps. ask anyone in this forum. they dont' sent clean signal to your speakers, and that decreases the lifespan on them 6x9. the most expensive RF components are like $~450+. i think it's called the fanatic Q which is basically the same as the MB quart. try looking for crystal mobilesound. you won't believe the sound quality for such a low price.

since you're getting components, i think you should get rid of the rear speakers, unless there are passengers in the back. if you take them out, bass will travel better and sound better. plus the subs won't put pressure on the rear set. it's called front stage imaging, where all the voice and sound are coming towards you, not the back of you. the bass is ok where it is.