Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor delivers studio-grade compression with added control over sustain, attack, clipping, and input level. Housed in a durable metal chassis and in great condition, this pedal enhances tone clarity and sustain without sacrificing dynamics. Ideal for guitarists seeking vintage warmth or modern punch, it runs on a standard 9V power supply and features true bypass for pristine signal integrity. A trusted choice for both stage and studio use.