Quad 12" Kicker 47QL7R12 Car Audio Quad L7R 12" Subwoofer SPL 4800W Sub Box Enclosure New $1799.99 Kicker 47QL7R12 Car Audio Quad L7R 12" Subwoofer SPL 4800W Sub Box Enclosure New $1999.95 Kicker 47QL7R12 Car Audio Quad L7R 12" Subwoofer SPL 4800W Sub Box Enclosure New $1699.95 (1)