Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in good condition, delivering classic studio-style compression for cleaner, more consistent tone. Simple 4-knob layout offers Level, Sustain, Attack, and Clipping controls for everything from subtle smoothing to punchy country snap and endless sustain. Built for standard 1/4" instrument in/out, true-bypass switching, and 9V DC center-negative power for quiet, reliable operation on any pedalboard. A go-to compressor for guitar and bass.