Monolith by Monoprice 15in THX Ultra Certified 1000-Watt Powered Subwoofer

The Monolithâ„¢ THX® certified subwoofer sets the standard for bass output, low distortion, and affordability. With chest thumping bass that plays down to well under 16Hz, the Monolith THX Ultra 15" Subwoofer unleashes cinema level volume, with the ability to convey and articulate the subtle nuances of music.