The Rockford Fosgate P300-8P is a compact all-in-one powered subwoofer enclosure designed to add strong bass to factory or aftermarket systems without taking up much space. It combines an 8” high-output subwoofer and a built-in 300-watt amplifier into one slim ported enclosure, making it a popular option for trucks, compact cars, and daily-driver upgrades. Main Features 8” high-output subwoofer Built-in 300W RMS Class-D amplifier Ported enclosure design Adjustable low-pass crossover Adjustable bass EQ On-board phase switch Remote bass level control included High-level and RCA inputs Auto turn-on capability Slim compact enclosure design Specs Specification Details Subwoofer Size 8" RMS Power 300W Amplifier Type Class-D Enclosure Type Ported Inputs RCA & Speaker Level Remote Bass Knob Included Turn-On Options Auto Signal Sensing Design Powered All-in-One