Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering smooth, studio-style compression for guitar or bass. Classic 4-control layout (Sustain, Level, Attack, Clipping) makes it easy to dial in everything from subtle leveling to punchy sustain and snap. Features true bypass switching and a rugged compact enclosure for pedalboard-ready reliability. Runs on standard 9V DC center-negative power supply for quiet, consistent performance on stage or in the studio.