Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, offering studio-grade compression with controls for Sustain, Level, Attack, and Clipping. This pedal delivers smooth, transparent compression ideal for both guitar and bass, preserving tone while enhancing dynamics. Built in the USA with true bypass switching and high-quality components, it’s perfect for players seeking refined control and rich sustain in a compact, road-ready stompbox. Runs on 9V DC power for easy integration into any pedalboard.