Used Keeley 4 Knob Compressor Effect Pedal

The Used Keeley 4 Knob Compressor delivers studio-grade compression with Sustain, Level, Attack, and Clipping controls for precision tone shaping. Renowned for its transparent sound and low noise, this pedal enhances both clean tones and overdriven signals. Housed in a durable metal chassis and in great condition, it runs on a standard 9V power supply. Ideal for guitars and basses, it’s a versatile tool for players seeking professional-level dynamic control.