Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, delivering classic studio-style compression for guitar with smooth sustain and enhanced pick attack. Simple, gig-ready controls include Sustain, Level, Attack, and Clipping/Blend for dialing in everything from subtle leveling to punchy squash. Built in a compact stompbox enclosure with standard 1/4" input/output and a rugged footswitch for reliable onstage performance, it’s a go-to pedal for tightening cleans, adding sustain to leads, and balancing dynamics.