Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor Effect Pedal offered here is in good condition and delivers professional-grade compression with studio-level clarity. Designed with sustain, level, attack, and clipping controls, this analog compressor provides extensive tonal control, making it perfect for both guitar and bass. Based on the legendary Ross Compressor circuit, it preserves dynamics while smoothing peaks for a rich, even tone. Housed in a durable metal chassis, the pedal runs on standard 9V DC power and features true bypass switching for uncompromised signal integrity. Whether you’re after subtle sustain or punchy pop, this versatile compressor brings Keeley's renowned quality and responsiveness to your pedalboard at a great value.