Home Slickdeals 15″ 1000W Monoprice Monolith M-15 V2 THX Certified Ultra Subwoofer $950 +... Slickdeals 15″ 1000W Monoprice Monolith M-15 V2 THX Certified Ultra Subwoofer $950 + Free Shipping By ARCOM - 27 July 2023 23 0 SHARE Facebook Twitter Go to the deal page: 15″ 1000W Monoprice Monolith M-15 V2 THX Certified Ultra Subwoofer $950 + Free Shipping