The Vevor underseat car subwoofer delivers powerful bass and clear sound in a slim 3.3" low-profile design that fits neatly under a seat. Its built-in amplifier provides 220W rated power and 440W peak power for an enhanced in-car audio experience. With both low-level RCA and high-level inputs, it is designed for broad compatibility with a variety of vehicle audio systems. The aluminum alloy housing helps with heat dissipation, while multiple protection features support reliable operation. A wired remote control is included for convenient adjustment.