Used Keeley 4 Knob Compressor Effect Pedal

Used in excellent condition, the Keeley 4 Knob Compressor delivers studio-grade compression with controls for Sustain, Level, Attack, and Clipping. Ideal for both guitar and bass, this pedal preserves dynamics while enhancing clarity and sustain. Built in the USA, it features true bypass switching and operates on standard 9V DC power. Known for its smooth performance and low noise, the 4 Knob Compressor is a favorite for precise tone shaping on stage or in the studio.