Used BOSS CS-3 Compressor Sustainer pedal in great condition, offering classic compression and sustain for guitarists seeking enhanced tone control. With knobs for Level, Tone, Attack, and Sustain, this versatile pedal delivers everything from subtle smoothing to tight, punchy dynamics. Ideal for clean tones, rhythm parts, and lead solos, it reduces volume peaks while boosting quieter signals for a balanced output. The CS-3 features a durable metal chassis, standard 1/4" input/output jacks, and operates via a 9V battery or optional AC adapter (not included). This unit has been tested and functions perfectly, with only minor cosmetic signs of light use. Whether shaping your clean tone or tightening up your drive sounds, the CS-3 remains a go-to pedalboard staple for players of all styles. Elevate your expression and control with this reliable, road-ready BOSS classic.