Home Slickdeals Polk Audio PSW505 BLACK 12″ Powered Subwoofer $159.99 Slickdeals Polk Audio PSW505 BLACK 12″ Powered Subwoofer $159.99 By ARCOM - 7 December 2017 283 0 SHARE Facebook Twitter Go to the deal page: Polk Audio PSW505 BLACK 12″ Powered Subwoofer $159.99