Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor delivers studio-grade compression in a compact stompbox, perfect for enhancing sustain and balancing dynamics. In great condition, this pedal features controls for Sustain, Level, Attack, and Clipping, offering precise tone shaping for guitarists seeking professional sound. Known for its transparent compression and low noise, it runs on a standard 9V power supply and is ideal for both live performance and studio use.