Used Keeley 4 Knob Compressor Effect Pedal

This used Keeley 4 Knob Compressor delivers classic studio-style compression in a compact stompbox, perfect for tightening dynamics, adding sustain, and enhancing clarity on guitar or bass. In great condition, it features four intuitive controls for Level, Sustain, Attack, and Clipping/Blend-style tone shaping for anything from subtle smoothing to punchy squash. Built with a rugged metal enclosure and true-bypass switching for a clean signal path when off, it’s a dependable upgrade for any pedalboard.