Rockville RV10.1D 500w 10 Loaded Car Subwoofer Enclosure+Mono Amplifier+Amp Kit
This system includes a top of the line ported enclosure which gives you more punchy and better sounding bass. The vents were strategically placed on the bottom of the enclosure and then the enclosure is placed at a 15 degree angle to fire the bass out hard and give you amazing sound quality.