well if you're using crossovers to have no low bass from the speakers, and only in the subwoofer, you don't need nearly as much power as they can take.

I think you should get a 4 channel 200 watt amp from MTX or Rockford. Eclipse is good to. JL rock. Depending on your head unit, match the voltage input on your amp to the out put on the radio and high pass to 120hz + with a 12 db cut off.
Would not recomend put a high power component in a stock door, enclose the speaker.

i was planning on getting a dynamat extreme door kit. the one that has the 10" by 10" pieces.

obviously an amp is a better option than running off the deck for aftermarket speakers.

but i think cd players actually put out their wattage specs if they are a decent make.

here'* a note on my deck
granted i am running a 4 external 4 channel amp for my interiors.

i have a alpine cda-9813 that is rated a 60 watts per channel so yes there are high powered head units out there. in reality though you would be better off with a aftermarket amplifier. i use a jl audio 4504. it has 150 watts per side for your front speakers and 75 watts per side in the rear. this is ideal for the sound stage as most people retard the rear signal in some fashion. now you may say that 150 watts is more than you speakers can handle. mine to but by the time you cross them over correctly they can handle it. then i use another amplifier for my subs. in this case a planet audio 1200 watt mono block sub amp.

i have the same deck...its 27x4 rms....60x4 max....good luck getting 60x4 out of it.....

the manual says to run 10ga wire directly to the battery....maybe that would help

anyways...i'm running an 4 channel alpine amp instead of the head unit

Im thinking im going to get a MTX thunder 404 50x4 for my interior speakers and a rockford fosgate Punch 301s for the sub.

if all the speakers are running off an amp, is it best to put the interior speaker amp in the trunk? that would require a total rewiring right? also wouldn't all of the wires from the headunit except the 2 power lines, ground and antenna be useless as everything would be running off the preamp?

if all interiors are amped technically you wouldn't need the speaker wires behind the deck hooked up. u will need the power, ground, and remote hooked up for sure. but you might as well hook up everything to clean up the installation

Me Too. Very nice amp, I usually fade it almost all the way to the front, don't hear the rear speakers at all, only fade the rear in when I have rear passangers. chenk out my car here, http://www.cardomain.com/id/taylordssei

Most mid/high grade headunits sound ok at med. volumes, but if you know you like/need it loud, amp the interiors. Even without subs, aftermarket fronts amped will improve the sound quality big time, as long as you by decent equipment. Before my mega system I also had An Alpine with V-drive 60x4 (27rms) and sounded pretty good, I just new it wasn't going to be enough for me.

Not all headunits will even take speaker inputs, mine dosen't 3 4 volt pre outs

Remember that if you're already @ your speakers top volume, more power won't make it play louder. Power is more for cleaner sound then anything. More power = cleaner sound @ same volume then less power. This is why you can play louder, things don't distort, or distort enough to limit it as well.

Did ya follow that?