Used Keeley 4 Knob Compressor Effect Pedal

Add studio-grade compression to your rig with this used Keeley 4 Knob Compressor, in good condition and fully functional. Known for its transparent tone and sustain, it features controls for Sustain, Level, Attack, and Clipping. Built with high-quality components and true bypass switching, it delivers reliable performance for guitarists seeking dynamic control. Ideal for both clean tones and sustain-rich solos, it's a popular choice among professionals for its smooth compression and minimal coloration.