Used Keeley 4 Knob Compressor Effect Pedal

Used Keeley 4 Knob Compressor in Excellent condition delivers studio-grade compression with precise control over sustain, level, attack, and clipping. Ideal for both guitar and bass, it uses high-quality components for low noise and transparent tone shaping. Powered by 9V battery or standard power supply, this pedal enhances clarity and sustain while preserving your instrument's natural character. Perfect for players seeking refined dynamics and professional performance in a compact, reliable stompbox.