Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor Effect Pedal delivers studio-grade compression with controls for Sustain, Level, Attack, and Clipping, allowing precise dynamic shaping for guitar or bass. In good condition, this pedal features true bypass switching, high-quality components, and operates on a standard 9V power supply. Ideal for everything from subtle peak control to squashed funk tones, it’s a versatile addition to any pedalboard, offering legendary Keeley compression at a great value.