And check your port tuning with this caculator (the RE8's acoustic power is .17 BTW) <a href="http://www.linearteam.dk/default.asp...ventcalculator">http://www.linearteam.dk/default.asp...ventcalculator</a> And last for an amp, one of these babies dosent need a lot of power I recomeend 100-135watts, check the For Sale sections of these car audio forums.