Used Keeley 4 Knob Compressor Effect Pedal

The Used Keeley 4 Knob Compressor delivers studio-grade compression with controls for Sustain, Level, Attack, and Clipping, offering unmatched tone shaping and dynamic control. In great condition, this pedal retains the clarity and punch Keeley is known for, making it ideal for guitarists seeking smooth sustain and balanced output. Built in the USA with true bypass switching, it's a reliable workhorse for both live and studio setups. Powered by 9V battery or standard 9V adapter.