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 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.