Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering classic studio-style compression for tighter rhythm, longer sustain, and improved note clarity. Simple four-control layout (Sustain, Level, Attack, Clipping) makes it easy to dial in anything from subtle leveling to punchy, squashed tones. Standard 1/4" in/out and 9V DC power (center-negative) for pedalboard-friendly operation. A proven go-to compressor for guitarists who want smooth dynamics without sacrificing feel.