I need a box design for 2 kicker solo baric L7 12"s, i want a vented box set up for SPL, but that will be loud with rap music & bass cd's, size realy doesint mader cos its goin in an explorer. Im runing a JBL 1200.1 on them & how should i wire them with this new box? please help me, the subs are dual 4 ohm, thankx alot