Connects the AP4.9bit / AP5.9bit DSP processors to the AP4D / AP1D power amplifiers

A dedicated link cable for processor-to-amplifier connection, purpose-built rather than a generic RCA-type interconnect

Audison Prima series (AP bit processor + AP D power amplifier system)

Included as a standard accessory with the "APTK 3" tower mounting kit for the Prima AP series; also sold separately

Used to carry the signal connection when the processor and amplifier are mounted stacked together in a tower configuration