Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition—an iconic studio-style compressor for guitar with smooth sustain, added punch, and quieter operation. Simple controls for Sustain, Level, Attack, and Clipping let you dial in everything from subtle leveling to country snap and singing leads. Built in a rugged compact enclosure with standard 1/4" input/output and true-bypass switching, it runs on 9V power for easy pedalboard integration.