Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor delivers studio-grade compression in a compact, pedalboard-friendly design. Featuring Sustain, Level, Attack, and Clipping controls, it offers precise tonal shaping for guitar or bass. Known for its transparent sound and low noise, this pedal is a favorite among professionals. In great condition, it provides smooth sustain and enhanced note definition, perfect for clean boosts or subtle compression. Powered by standard 9V DC.