DS18 PU110A10” Active Shallow Subwoofer Enclosure for Pickup Trucks Bass made easy! The PU110A is a powered under-seat subwoofer solution designed to give truck owners clean bass without a separate amplifier or bulky enclosures. Built with an integrated digital mono amp and loaded 10” subwoofer, this all-in-one setup makes getting LOUD easy! Amp + Sub in One BoxWith 350W RMS (700W MAX) of sub-bass power, the PU110A features a built-in Class D monoblock amp tuned specifically for the 10” shallow