Used and in good condition, the Mad Professor Forest Green Compressor is a premium guitar compression and sustainer pedal designed for both studio-quality tone and live performance. This handmade pedal features true bypass switching, a sensitivity control for dynamic compression response, and modes for both clean compression and a more sustaining tone. It offers natural sound quality with excellent clarity, making it ideal for country, pop, and rock guitarists looking to enhance sustain and control dynamics without sacrificing tone. The Forest Green Compressor operates on standard 9V power and is known for its rugged build and boutique components, delivering smooth compression with minimal noise.