Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in Excellent condition, delivering classic studio-style compression in a compact stompbox. Four easy controls—Sustain, Level, Attack, and Clipping—let you dial in everything from subtle tone smoothing to punchy, country-style snap with great note clarity. Built for standard 1/4" in/out, it runs on a 9V DC center-negative power supply for pedalboard-friendly operation. A reliable choice for guitarists wanting polished dynamics and enhanced sustain.