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. Built with true bypass switching and high-quality components, this pedal delivers transparent, noise-free operation. Ideal for guitarists seeking dynamic control and sustain without sacrificing tone, it runs on a standard 9V power supply. A trusted favorite for both live performance and studio recording.