If you need to quickly add bass to a system but don’t have much space or height to make it happen? Then the PS 8 is a perfect candidate! The PS 8 features a Punch 8?? subwoofer in a custom sealed enclosure and is powered by a mighty 150 Watt class D amplifier. The system is all inclusive . so you only need to run power . ground and a signal from the source to get this baby moving. Features a durable exterior that resists scrapes . and bumps while in the trunk or cargo area. Comes with a power . ground . turn on wires . mounting hardware and a wired remote bass control!