Radio Blog
Monoprice Monolith 12 THX Ultra Subwoofer Unboxing

Monoprice 12in 150-watt powered subwoofer, black this 12 sub is capable of producing 150 watts rms (200 watts peak) output. Monoprice stands behind the quality of everything we sell, and we are committed to your satisfaction. When you want your bass down low, you need a subwoofer as part of your home audio/theater system.