Home Dads and Grads Polk Audio LSiM 3-Piece Speaker Set w/ Yamaha AVENTAGE RX-A3070 9.2ch Dolby... Dads and Grads Polk Audio LSiM 3-Piece Speaker Set w/ Yamaha AVENTAGE RX-A3070 9.2ch Dolby Atmos Receiver $2300 By ARCOM - 18 May 2018 183 0 SHARE Facebook Twitter Go to the deal page: Polk Audio LSiM 3-Piece Speaker Set w/ Yamaha AVENTAGE RX-A3070 9.2ch Dolby Atmos Receiver $2300