Home Spring Sales Polk Audio LSiM704c Center Channel Speaker (Midnight Mahogany) $229.99 Spring Sales Polk Audio LSiM704c Center Channel Speaker (Midnight Mahogany) $229.99 By ARCOM - 25 March 2019 138 0 SHARE Facebook Twitter Go to the deal page: Polk Audio LSiM704c Center Channel Speaker (Midnight Mahogany) $229.99