You are bidding on a Harley Davidson Premium Stereo Helmet Headset model This item is new but not in its original packaging. Low starting price. Premium Stereo Helmet Headset brand new in box, never been opened mounts to helmet made by Harley Davidson parts # A Please note that I am. Amazon Elements Premium products. Transparent origins. .. Sena SPH Outdoor Sports Bluetooth Stereo Headset / Intercom . iMC Motorcom prides itself on producing the highest quality products and selling them at the lowest possible price. Sena 20S-A Helmet Clamp Kit (for CB/Audio of Harley - Davidson).