Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering classic studio-style compression for tighter rhythm, smooth sustain, and added sparkle. Simple controls for Level, Sustain, Attack, and Clipping let you dial in everything from subtle leveling to punchy country snap. Designed for standard 1/4" in/out connections and powered by 9V DC (center-negative) for easy pedalboard integration. A go-to compressor for guitarists who want clarity, consistency, and musical feel.