Used Keeley 4 Knob Compressor Effect Pedal

Bring studio-smooth dynamics to your rig with this used Keeley 4 Knob Compressor in great condition. Known for its transparent, musical squeeze, it adds sustain, clarity, and punch for clean or driven tones. Simple controls for Sustain, Level, Attack, and Clipping let you dial in subtle leveling or classic squash fast. Built in a rugged compact enclosure with true bypass switching and standard 1/4" in/out, it’s an easy upgrade for guitar or bass.