Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in great condition, this pedal delivers studio-grade compression with added control over sustain, attack, clipping, and level. Featuring true bypass and hand-built quality, it's powered via 9V adapter or battery. Ideal for both subtle dynamic enhancement and squashy compression, it's perfect for guitarists seeking tight control of tone and sustain. Known for low-noise operation and transparent performance, the Keeley 4 Knob Compressor remains a top choice among pros and tone purists alike.