Used Keeley 4 Knob Compressor Effect Pedal

Experience studio-grade compression in a compact stompbox with this used Keeley 4 Knob Compressor, in great condition and fully functional. Featuring controls for Sustain, Level, Attack, and Clipping, it offers the same transparent, smooth compression Keeley is known for with added tweakability. Based on the classic Ross Compressor circuit, this pedal is perfect for balancing dynamics, boosting sustain, or enhancing clarity on guitar or bass. It runs on 9V DC power and has true bypass switching for a clean signal path. Whether you're dialing in subtle enhancements or squashing your tone for a tighter mix, this versatile, USA-built pedal delivers exceptional tone control in a durable enclosure.