Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor guitar effect pedal delivers studio-quality compression with added control, featuring Sustain, Level, Attack, and Clipping knobs for precise tone shaping. Built in the USA, it uses hand-matched transistors for smooth, transparent compression. This model is in great condition, offering consistent performance for clean boost or dynamic control. Ideal for any genre, its compact design fits easily on any pedalboard while retaining Keeley’s renowned boutique sound.