monolith 15" thx ultra subwoofer

Monoprice is Set to Rock CEDIA 2017 with Its New Monolith THX Subwoofer Series (Monoprice) The new Monolith THX Ultra Subwoofer (September 1, 2017) CEDIA is a show that’s loaded with cutting-edge stereo and home theater tech, and every year one or two companies shock the system with a few...