Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in good condition, this pedal delivers studio-grade compression with controls for Sustain, Level, Attack, and Clipping. Known for its transparency and low-noise circuitry, it’s ideal for both guitar and bass. Built in the USA with true bypass switching, it offers warm, dynamic tone shaping. Whether you're after smooth sustain or punchy attack, this versatile compressor adds polish and consistency to your sound. Shows moderate wear but functions perfectly.