Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in Good condition, delivering classic studio-style compression for guitar and bass with smooth sustain and enhanced clarity. Simple four-control layout—Sustain, Level, Attack, and Clipping—makes it easy to dial in everything from subtle leveling to punchy, country-style snap. Built in a rugged stompbox enclosure with standard 1/4" in/out and 9V DC power, it’s a dependable go-to for tightening dynamics and adding polish to any pedalboard.