Home Dealnews Monoprice Monolith 10" Powered Subwoofer for $450 w/ $90 in Rakuten Points... Dealnews Monoprice Monolith 10" Powered Subwoofer for $450 w/ $90 in Rakuten Points + free shipping By ARCOM - 15 July 2019 147 0 SHARE Facebook Twitter Go to the deal page: Monoprice Monolith 10" Powered Subwoofer for $450 w/ $90 in Rakuten Points + free shipping