are u new to car audio & is this ur 1st system ?
look at rms rating not max power ratings on amps or speakers - many videos on youtubewill explain this in detail
why supertweeters with 6.5" speakers ? , imo those small 1" tweeters will do , do u like ur music "height-sy" with a ton of overbearing tsssss tsssss tsssss bussing ur ears , ever heard a balanced system ?
not to put an ad in this section but if u need further advice about system design come see me at my store , google or fb my name ...