Used Keeley 4 KNOB COMPRESSOR Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering the studio-smooth squeeze that made it a pedalboard staple. Dial in everything from subtle leveling to punchy sustain with four easy controls: Sustain, Level, Attack, and Clipping. Designed for guitar, it adds clarity, balance, and sparkle while keeping noise low and dynamics musical. Rugged stompbox build with standard instrument in/out and 9V DC power for reliable gig-ready performance. Power supply sold separately.