Used Keeley 4 Knob Compressor Effect Pedal

The Used Keeley 4 Knob Compressor Effect Pedal delivers studio-quality compression in a compact, road-tested design. With controls for Sustain, Level, Attack, and Clipping, this pedal ensures ultimate tonal shaping for guitarists seeking smooth sustain and dynamic clarity. Designed with high-fidelity components, it provides low-noise operation and a transparent response, preserving your instrument’s natural tone. Featuring true bypass switching, the pedal guarantees zero tonal coloration when disengaged. This unit is in Great condition, showing minimal signs of wear and fully functional performance. Whether you need subtle dynamic control or a squashed vintage-style compression, the Keeley 4 Knob Compressor is a trusted choice among professionals. Runs on a standard 9V power supply (not included).