Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor is in great condition and delivers studio-quality compression with precise control. Featuring Sustain, Level, Attack, and Clipping knobs, this pedal allows for fine-tuning your tone, making it ideal for guitarists seeking both subtle dynamics and powerful squashed tones. Designed with high-grade components, true bypass switching, and low-noise operation, it’s perfect for improving clarity and sustain in any setup. Runs on standard 9V power for easy integration.