Home Slickdeals Polk LSi M704 Center Channel Speaker (Midnight Mahogany) $230 + free s/h Slickdeals Polk LSi M704 Center Channel Speaker (Midnight Mahogany) $230 + free s/h By ARCOM - 25 March 2019 151 0 SHARE Facebook Twitter Go to the deal page: Polk LSi M704 Center Channel Speaker (Midnight Mahogany) $230 + free s/h