Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition—classic studio-style compression for guitar with smooth sustain, added punch, and quieter performance. Four intuitive controls (Sustain, Level, Attack, Clipping) make it easy to dial in anything from subtle leveling to country snap. Built in a rugged compact enclosure and powered by standard 9V DC (center-negative) supply, it’s a versatile, always-on pedal for clean or driven rigs.