- Acoustic-electric guitar preamp with advanced BOSS sound processing
- Sophisticated under-the-hood processing with multiple interlocked parameters, accessible with simple stompbox controls
- Acoustic Resonance reproduces the complex resonance characteristics of an unplugged acoustic
- Ambience knob provides wide-ranging, studio-quality reverb optimized for acoustic guitar
- Notch filter for instant feedback reduction
- Normal output for an acoustic guitar amp and balanced DI output for direct PA connection
- Sound mute function for switching guitars and tuning on stage
- BOSS five-year warranty