Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition—an iconic stompbox that delivers smooth, studio-style compression for guitar or bass. Four easy controls (Sustain, Level, Attack, Clipping) let you dial in everything from subtle leveling to punchy, country snap with enhanced sustain. Built in a rugged compact enclosure with standard 1/4" input/output jacks, true-bypass switching, and 9V DC power compatibility, it’s a dependable tone sweetener for any pedalboard.