Used 2020s BOSS CS3 Compressor Sustainer Effect Pedal

Used BOSS CS-3 Compressor Sustainer in excellent condition—an essential dynamics tool for clean, even sustain and punchy, controlled attack. Ideal for guitar or bass, it delivers classic BOSS reliability in a compact stompbox. Simple, powerful controls include Level, Tone, Attack, and Sustain for dialing in everything from subtle smoothing to tight, squashed compression. Runs on a 9V battery or standard 9V DC adapter and features rugged metal construction for stage-ready performance.