Home Cyber Monday Polk Audio LSiM704c Center Channel Speaker (Midnight Mahogany) $249.99 Cyber Monday Polk Audio LSiM704c Center Channel Speaker (Midnight Mahogany) $249.99 By ARCOM - 30 November 2018 162 0 SHARE Facebook Twitter Go to the deal page: Polk Audio LSiM704c Center Channel Speaker (Midnight Mahogany) $249.99