Boss CS-3 Compression Sustainer

Features:
The CS-3 Compression Sustainer pedal compresses louder signals while boosting lower signals, providing smooth sustain without degrading the original sound quality. This is the perfect pedal for guitarists and bassists who want to sound their best.
Compact compression/sustainer pedal with high-quality circuitry
Compresses loud signals and boosts softer signals for a smooth overall sound
Onboard Level, Tone, Attack and Sustain controls for precise tonal shaping
Low-noise design for super-quiet operation
BOSS five-year warranty