im going crazy but i want something that will get loud and sound good . i have 4runner witha 150 amp alt, 1ga wire and an optima red top from my last system witch consisted of a mtx 9500 15 in a sledghammer box and a mtx 8100d 1500watts max it sounded pretty hard but i had to sell it. now i have an orion 2100 hcca amp witch i plan to run at 1ohm witch will put out 1600 watts or more. now theproblem is choosing witch sub i want a single 15 inch that will out pound my last setup. i have about 40w x 16hx 18d inches to play with for enclosure volume. also have been considering 2 12sx's. any input will help thanks.