Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering classic studio-style compression for guitar and bass with smooth sustain and enhanced clarity. Simple four-control layout lets you dial in Level, Sustain, Attack, and Clipping for everything from subtle leveling to punchy, squashed tones. Built in a rugged compact stompbox with true bypass switching and standard 1/4" input/output. Perfect for tightening clean parts, boosting leads, and adding consistent dynamics to any pedalboard.