Used Keeley 4 Knob Compressor Effect Pedal

Experience studio-grade compression with the Used Keeley 4 Knob Compressor, in great condition and fully functional. This pedal features controls for Sustain, Level, Attack, and Clipping to deliver rich, dynamic tone shaping ideal for guitarists seeking professional-quality sound. Built with true bypass switching and high-grade components, the Keeley 4 Knob Compressor is perfect for enhancing sustain, tightening clean tones, or adding punch to leads—all in a compact, pedalboard-friendly design.