JL Audio 600 watts 13" Car Subwoofer (13TW5v2-4)Fit huge bass into tight spaces You can get great sounding, big bass in your sports car, truck, or any other compact vehicle. JL Audio rises to the challenge of compact spaces with their TW5 thin line subwoofers. Engineered for use in extremely small boxes, these subs fit in places where only 6 1 2" or 8" subs would previously go, for astoundingly deep, resonant bass without the large enclosure. A super thin sub that rivals bulkier speakers The