This is an NCR PCB Enhanced Audio AMP BTL. The part number is 445-0689034. This item is new and has never been used. It was originally made for use for an OEM as a part of a system. Even though it may have the same part number as a standard part this item may be configured specifically for the OEM that originally ordered it. We have re-packaged them for individual sale. It is being sold as pictured and does not come with any additional parts or accessories.