Studio-grade compression in a pedalboard-ready format. The Keeley 4 Knob Compressor delivers the tonal richness of high-end rack equipment in a compact stompbox—earning Guitar Player Magazine's Editor's Pick and Reader's Choice awards.

Four intuitive controls shape your tone: sustain ranges from peak control to expressive solo punch, internal attack handles hot pickups and line-level sources, input sensitivity accommodates everything from guitars to drum machines, and tone stays pure thanks to true bypass switching. When bypassed, your signal passes completely unaffected—no tone loss, no compromise.

Built in the USA with audiophile-grade components and individually tested. Powers from any standard 9V DC supply (5mA draw). A pedalboard essential for players who demand studio-quality dynamics without the studio footprint.