We are simply an order fulfillment point for the ASP boards. We do not know much about them and the PCB designer and Mr. Linkwitz have requested we forward all customers to the official forum.
Please post any questions about this project to the OPlug ASP.4 Help Thread:
http://oplug-support.org/viewtopic.php?f=30&t=4282
(restricted access, registration required).
Hairball Audio, LLC does not provide support for ASP.4 products.