Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering smooth, studio-style compression for guitar or bass with classic Keeley transparency and sustain. Four intuitive controls—Level, Sustain, Attack, and Clipping—let you dial in subtle leveling, punchy pop, or singing sustain while preserving your pick dynamics. Built in a rugged stompbox enclosure for dependable gigging, it runs on standard 9V DC power and fits easily on any pedalboard for always-on tone enhancement.