Used Keeley 4 Knob Compressor Effect Pedal

Bring studio-smooth dynamics to your board with this used Keeley 4 Knob Compressor in good condition. Known for its transparent, musical compression, it delivers sustain and punch without dulling your tone. Four easy controls—Level, Sustain, Attack, and Clipping—let you dial in anything from subtle leveling to snappy country snap. Built in a rugged compact enclosure with true bypass switching and standard 1/4" in/out, it runs on 9V DC pedal power.