The MTX 12 Inch 1200 Watt 4 Ohm Dual Loaded Car Audio Subwoofer Package with Sub Enclosure, Boss 1100W Mono A/B Amplifier, Wiring Kit and Capacitor combines great subwoofer design with great enclosure design to deliver bass that far exceeds expectations. The unit is a dual 12-inch sealed enclosure that has a single terminal cup showing a final 2O load to any connected amplifier. This kit comes complete with a 1100W monoblock A/B amplifier, wiring kit and 2-farad capacitor. The Terminator subwoofers used in the enclosure include durable polypropylene dust caps that can survive the rigors of most trunks and are lightweight, allowing them to efficiently move using less power. Each subwoofer can handle 200 watts RMS power, resulting in a power level of 400 watts RMS/800 watts peak for the entire enclosure. Features Spider Plateau Venting, which is a mechanical cooling process. The enclosure itself is made of extra-strength 5/8-inch MDF. Have everything you need to achieve audio perfection with the included 1100-watt, Monoblock A/B amplifier, 8 gauge wiring kit and 2-farad capacitor as well. With this subwoofer package, there will be no more dull moments on the road. Upgrade your car's sound system with this MTX 12 Inch 1200 Watt 4 Ohm Dual Loaded Car Audio Subwoofer Package with Sub Enclosure, Boss 1100W Mono A/B Amplifier, Wiring Kit and Capacitor.