I never plan on going this crazy with my sound.... i got a pa for that ...... but it not like it was in the 70 and 80 everything is a lot cheaper and better ,,,,,,,the 250 amp alternator was only 160 dollars but i my have to up it this ddm2b is going to be a monster just need a few more pieces to get like a ss2b amp and some 10 inch subs and some 6.5 mid bass for rear doors My front doors are jbl gti 660 components with the huge crossover you can't hide anywhere lol ,,,,but they do sound great in a sealed enclosure and at high volumes