Home Slickdeals Monoprice Monolith 12 inches Ported Subwoofer ($699+ Free Shipping + Taxes) Slickdeals Monoprice Monolith 12 inches Ported Subwoofer ($699+ Free Shipping + Taxes) By ARCOM - 28 August 2020 71 0 SHARE Facebook Twitter Go to the deal page: Monoprice Monolith 12 inches Ported Subwoofer ($699+ Free Shipping + Taxes)