Description
Product Overview
The Boss CS-3 Compression and Sustainer Pedal is engineered for guitarists who demand clarity and control. Housed in a robust blue plastic enclosure, the unit weighs just 14.9 ounces and measures 4 x 3 x 6 inches, making it compact enough for any pedalboard. Powered by a single AAA alkaline battery, it delivers analog signal processing with a 1/4-inch audio interface, providing smooth compression and sustain without adding hiss. Key specifications include low‑noise circuitry, onboard level, tone, attack, and sustain knobs, and a voltage rating of 9 V.
Usage
Designed for electric guitar players across genres, the CS-3 excels in studio recording, live performance, and practice settings. Its quiet operation makes it ideal for clean‑tone passages, while the sustain function adds depth to solos and ambient textures. Whether you’re a touring professional or a bedroom musician, the pedal’s intuitive controls let you dial in precise dynamics quickly. 
Why Choose Us
Boss’s reputation for durability and sonic accuracy backs the CS-3. The pedal’s low‑noise design ensures that compression and sustain are added without compromising signal integrity. Each unit undergoes rigorous testing to meet industry standards, and the brand’s global support network provides reliable service and parts availability. Choosing the CS-3 means investing in a proven solution that enhances your tone without frequent maintenance.
Key Features
- Ultra‑low noise circuit for pristine signal clarity
- Four dedicated controls: Level, Tone, Attack, Sustain
- Compact blue plastic housing, lightweight and road‑ready
- Battery‑powered operation eliminates the need for external power supplies
- Analog compression and sustain for natural, musical response
FAQ
What type of battery does the CS-3 use?
The pedal requires a single AAA alkaline battery, providing up to 40 hours of continuous use.
Can the CS-3 be used with both electric and acoustic guitars?
Yes, the pedal works with any instrument that outputs a standard 1/4‑inch signal, making it suitable for electric and acoustic‑electric guitars.
Is the CS-3 compatible with other Boss effects?
Absolutely. The CS-3 can be placed anywhere in your signal chain and integrates seamlessly with other Boss pedals and third‑party units.
How does the sustain function differ from a typical compressor?
The sustain control extends note decay after the compressor has leveled the dynamics, giving you a smoother, longer‑lasting tone.
Does the pedal require a power adapter?
No external power source is needed; the built‑in AAA battery powers the unit, simplifying setup on the road.




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