Monolith 15" THX Ultra Certified 1000-Watt Subwoofer Amplifier

The Monolith™ 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.