best subs for car

Detailed review of 4 Best Rockville Subwoofer: Rockville K5 W15K5S4 15″ 2000w :   Rockville Destroyer 15D1 15″: Rockville RockGhost  8″ Hidden Car Subwoofer: Rockville W65K9D2 6.5″ 1000w Peak Car Audio: Best Rockville Subwoofer...