http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=1122713&Sku=O299-1004
Unfortunately, from what I can tell at Videohelp.com these can either be DDDessauV20, MCC…002, OR OPTODISCOR4. What are the chances of them being the MCC’s? I’d almost have to guess slim-to-none at that price.