Used Keeley 4 Knob Compressor Effect Pedal

The Used Keeley 4 Knob Compressor is a studio-grade compression effect pedal known for its smooth tone and versatility, ideal for guitarists seeking refined control over their dynamics. This pedal is in Good condition with moderate cosmetic wear but functions flawlessly. Featuring Sustain, Level, Attack, and Clipping controls, it allows for precise shaping of your overall tone and response. With true bypass switching and a high-fidelity circuit, it offers transparent signal preservation whether boosting, smoothing, or tightening your sound. Powered via 9V battery or standard 9V DC adapter (not included), this hand-built pedal delivers professional-quality compression in a compact, road-ready enclosure.