Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in Excellent condition, offering studio-grade compression with Level, Sustain, Attack, and Clipping controls for precise tone shaping. Hand-built in the USA, it features true bypass switching for zero tone loss and operates on a standard 9V power supply. Perfect for guitarists seeking smooth sustain and dynamic control in a compact, road-ready pedal.