Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor delivers studio-grade compression in a compact stompbox, ideal for guitarists seeking clarity and sustain. In great condition, it features controls for Sustain, Level, Attack, and Clipping to fine-tune your sound. Designed with true bypass and powered by a standard 9V power supply, this pedal brings smooth, transparent compression that enhances both clean and overdriven tones while preserving your instrument’s natural character.