Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering classic studio-style compression for guitar and bass. Four intuitive controls—Sustain, Level, Attack, and Clipping—let you dial in everything from subtle smoothing to tight, punchy squash with added harmonic edge. Built in a rugged compact enclosure with true-bypass switching, it runs on standard 9V DC pedal power for easy integration into any pedalboard.