i am trying to decide with what subs to go with for my next system. the amp will be a aq1200d. i wanted to go bigger, but dont feel like upgrading my electrical in my van, cause i will be getting rid it in about 6 to 9 months. box will be made by a super box builder that knows what hes doing. which will sound better, louder, lower,etc. FI BL 15 or 2 audioque SDC2.5 15
