Receive one free pair of Klipsch S3m headphones with a purchase of a Klipsch KMC 1 or KMC 3 wireless speaker system. Purchase a qualifying product and upload your receipt: click here. You will be prompted to enter shipping information and select the color of your free S3m headphones. Limit one free pair of S3m headphones during this promotion. Offers valid beginning with receipts dated February 10, 2014 or after, and while supplies last. Not redeemable for cash. Void where prohibited.