Home Slickdeals Polk Signature Speakers (open box): S50 + S30 + s10 $469, s50... Slickdeals Polk Signature Speakers (open box): S50 + S30 + s10 $469, s50 + s35 + s20 $649 + free shipping By ARCOM - 5 December 2017 241 0 SHARE Facebook Twitter Go to the deal page: Polk Signature Speakers (open box): S50 + S30 + s10 $469, s50 + s35 + s20 $649 + free shipping