as for speakers... darude just named off some of the best for your buck speakers...

another brand is infinity or blahpunckt

 i had a nice little set up in my car with a 1000 watt 10 inch sub witha 750 watt rms pioneer amp... the amp was rated at peak of 1200 watts... and the speaker at peek of 1500

http://www.rankmyride.com/data//8/9/8518//.large/p5040004.jpg

i set it up so i didnt have to worry about blowing the speaker... because it was a free air speaker and the fiberglass houseing i made was a free air houseing...

 so it was a pretty good bass... and i had enough speakers threw out the car that when we would park some were and hang out we could just open my trunk... very entertaining...

if anyone needs help setting up some speakers i can help 

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just hanging out and watching dvd's with helen keller... kind of a quite night.