B-STOCK. This is a product which has been returned by a customer within their 14-day money-back guarantee or opened by our team to test. Fully functional and come with a full warranty. --Behringer PSU12-EU Replacement Power Supply for CMD MM-1, CMD STUDIO 4A Designed and engineered in Germany PSU12-EU The PSU12-EU power supply is identical to the one that came with the products listed above, and is required for proper operation in your part of the world. We offer a wide range of region-specific Replacement Power Supplies designed specifically for your BEHRINGER device