Used Keeley 4 Knob Compressor Effect Pedal

The used Keeley 4 Knob Compressor pedal delivers studio-grade compression with controls for Sustain, Level, Attack, and Clipping. Renowned for its transparent tone and versatility, it’s ideal for both guitar and bass. Housed in a sturdy metal enclosure, this pedal is in good condition and functions perfectly. Powered by a 9V battery or standard 9V power supply, it's perfect for dialing in everything from subtle sustain to aggressive squash.