Visonik VB12A 800 Watt 12" Car Subwoofer Box/Amplifier/Amp Kit Package Visonik VB12A 800 Watt 12" Car Subwoofer Box/Amplifier/Amp Kit Package 400 Watts RMS to 800 Watts Max Power Handling 12" Visonik High Performance Subwoofer / Visonik Digitally Tuned Sub Box Enclosure Visonik High Powered 800 Watt Mono Block Amplifier Amplifier Wiring Kit Included FREE