Home Slickdeals Polk LSi m704 Center Channel Speaker (Midnight Mahogany) $229 + free s/h Slickdeals Polk LSi m704 Center Channel Speaker (Midnight Mahogany) $229 + free s/h By ARCOM - 10 July 2019 155 0 SHARE Facebook Twitter Go to the deal page: Polk LSi m704 Center Channel Speaker (Midnight Mahogany) $229 + free s/h