Home Dealnews Polk Audio Signature S15 Bookshelf Speaker Set w/ free JBL Wireless Headpones... Dealnews Polk Audio Signature S15 Bookshelf Speaker Set w/ free JBL Wireless Headpones for $172 + free shipping By ARCOM - 3 June 2020 109 0 SHARE Facebook Twitter Go to the deal page: Polk Audio Signature S15 Bookshelf Speaker Set w/ free JBL Wireless Headpones for $172 + free shipping