This is a Geek Squad Certified Open Box Product. See below for more information. Experience rich and deep bass with this Sonos Sub (3rd Gen) wireless subwoofer. It features 2 force-cancelling drivers to deliver powerful and clean bass without distortion or rattle. Featuring a versatile, award-winning design, this subwoofer can stand upright or lay flat on its side. | Sonos Sub (3rd Gen) Wireless Subwoofer - Black - Open Box