Used Keeley 4 Knob Compressor Effect Pedal

This used Keeley 4 Knob Compressor pedal is in great condition and delivers studio-grade compression with enhanced tone control. Featuring Sustain, Level, Attack, and Clipping knobs, it offers versatile dynamic shaping for guitar and bass. True bypass ensures zero tone loss when disengaged, and the pedal operates on a standard 9V power supply. Built in the USA, it’s a must-have for players seeking clarity, sustain, and professional-grade compression in their signal chain.