Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor delivers studio-grade compression with controls for Sustain, Level, Attack, and Clipping, offering versatile tone shaping for guitarists seeking clarity and punch. This pedal is in good condition and features true bypass switching, a durable metal chassis, and operates on a standard 9V power supply. Perfect for adding sustain, smoothing dynamics, or enhancing clean tones, it's a trusted favorite for both live performance and studio recording.