Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in good condition, offering studio-grade compression with Level, Sustain, Attack, and Clipping controls for precise tone shaping. Built in the USA, this pedal features true bypass switching and operates on standard 9V DC power. Ideal for guitarists seeking smooth, dynamic control and enhanced sustain, it delivers the same quality compression that Keeley is known for. Shows light cosmetic wear but fully functional and ready for stage or studio use.