The Boss AC-3 Acoustic Simulator transforms the sound of your electric guitar into the rich, resonant tone of an acoustic instrument — instantly and authentically. Using advanced COSM® (Composite Object Sound Modeling) technology, the AC-3 delivers four distinct acoustic body types with adjustable reverb and tone shaping, all packed into a compact stompbox.
Whether you’re recording, performing live, or blending electric and acoustic tones on stage, the AC-3 gives you studio-quality acoustic sounds without switching instruments.
Features:
- Acoustic Simulator Pedal – converts electric-guitar tone into natural acoustic sound
- COSM® Acoustic Modeling: Faithfully reproduces acoustic body resonance and string response
- 4 Selectable Modes:
- Standard – full, balanced dreadnought tone
- Jumbo – deep, powerful projection
- Enhanced – modern clarity with added presence
- Piezo – bright, direct acoustic sound
- Top & Body Controls: Adjust tone resonance and overall brightness
- Built-In Reverb: Adds realistic acoustic ambience
- Dual Outputs:
- G.Amp Out: For electric-guitar amps
- Line Out: Optimized for acoustic amps or PA systems
- Rugged Boss Construction: Die-cast metal chassis for stage reliability
- Compact Size: Fits any pedalboard
Specifications:
- Nominal Input Level: -20 dBu
- Input Impedance: 1 MΩ
- Nominal Output Level: -20 dBu
- Output Impedance: 1 kΩ
- Recommended Load Impedance: 10 kΩ or greater
- Controls: Mode, Top, Body, Reverb, Level
- Connectors: Input, G.Amp Out, Line Out, DC In
- Power Supply: 9V Battery or PSA-series AC Adapter (optional)
- Current Draw: 35 mA (approx.)
- Bypass: Buffered Electronic Switching
- Construction: Metal Enclosure
