Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering the classic Keeley sustain and smooth, studio-style leveling for guitar or bass. Simple 4-control layout (Sustain, Level, Attack, Clipping) makes it easy to dial in everything from subtle sparkle to thick, singing compression. Standard 1/4" in/out with true-bypass switching and 9V DC center-negative power for pedalboard-friendly operation. A dependable tone sweetener that tightens dynamics and enhances pick attack.