Used Keeley 4 Knob Compressor Effect Pedal

Dial in legendary Keeley compression with this used Keeley 4 Knob Compressor in great condition. The classic 4-control layout (Sustain, Level, Attack, and Clipping) makes it easy to add smooth sustain, punchy dynamics, or subtle leveling for guitar or bass. Built in a compact stompbox enclosure with standard 1/4" input/output and a 9V DC power jack, it delivers studio-style clarity and low-noise performance on any pedalboard.