Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, offering studio-grade compression with precise control. Features Sustain, Level, Attack, and Clipping knobs for versatile tone shaping, ideal for both guitar and bass. Built with high-quality components and true bypass switching to preserve your signal’s integrity. Whether you're after smooth sustain or tight dynamics, this pedal delivers classic Keeley performance in a durable, road-tested design. Runs on 9V power for easy integration into any pedalboard setup.