Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in Excellent condition delivers the classic, studio-smooth squeeze players love, adding sustain, clarity, and sparkle without sacrificing dynamics. Simple four-control layout lets you dial in Level, Sustain, Attack, and Clipping for everything from subtle leveling to punchy country snap. Standard 1/4" input/output with true bypass switching, powered by a 9V DC adapter, makes it an easy fit on any pedalboard for guitar or bass.