Recent content by 94180sx

I have a 93 285i bmw sedan i presently have stock sound system i would like to upgrade i want 2 "15" subs or 2 "12" subs im after a loud system with good Sq about 60%SPL/40%SQ. I want to put both in a sealed box either a single box or 2 boxs whichever gives more SQ. I have $1800 to spend on...