Rockville RMW8P 8" 800w Shallow Car Subwoofer+Tunnel Slot Ported Sub Enclosure Rockville RMW8P 8" 800 Watt car subwoofer + tunnel slot ported sub enclosure box 8 high power long excursion tuned subwoofer Ceja power rated 200 watts / 400 watts RMS / 800 watts peak 1.5 high temperature 4 layer kapton voice COIL 70 oz magnet Structure weight