Oracle Digital Reference Component Interconnect. The last word in "cost-no-object" digital transmission design. Created after many years of design, testing and engineering all parts of the Oracle Digital Reference Interconnect have finally come to be one. For the listener that must have the finest in all-out system engineering and an all-out commitment to recreating the recorded event: This is it! Hand crafted and rigorously tested, each Oracle Digital Interconnect is custom made and only built to order.