Rare! WAVES APA32 Audio Processing Accelerator Plugin Processing Accelerator The APA series is an outboard unit that offloads WAVES plugins from the CPU. Power-on tested. The main unit appears to be in good condition with no noticeable scratches. Includes original box, instruction manual, and many other accessories. Everything shown in the photos is included. This is a one-of-a-kind item, so please consider purchasing it.