Home Slickdeals Monolith by Monoprice 12 inch THX Ultra Certified 500 Watt Powered Subwoofer... Slickdeals Monolith by Monoprice 12 inch THX Ultra Certified 500 Watt Powered Subwoofer (Open Box, $679.99 + Free Shipping) By ARCOM - 20 October 2020 72 0 SHARE Facebook Twitter Go to the deal page: Monolith by Monoprice 12 inch THX Ultra Certified 500 Watt Powered Subwoofer (Open Box, $679.99 + Free Shipping)
