This is a vintage Pioneer RG-2 Dynamic Processor, a classic audio component designed to expand the dynamic range of your audio signals. It features controls for Dynamic Expansion and Input Level, allowing you to fine-tune your sound. The unit also includes a Processor bypass switch and a Tape Monitor loop for versatile integration into your audio system. This RG-2 is in good working condition, showing some cosmetic wear consistent with its age, including paint wear on the top surface as visible in the photos. It features a brushed silver faceplate and a black chassis, with all controls and the blue display functioning as expected. Perfect for audiophiles looking to enhance their vintage setup or restore original dynamics to compressed recordings.