Boss AC-3 Acoustic Simulator – COSM Modeling & Built-In Reverb – Excellent w/ Original Box

Excellent condition with barely any wear. Fully tested and working perfectly. Includes original box and printed manuals. Does not include power supply or battery.

The AC-3 transforms your electric guitar into a convincing acoustic voice using COSM acoustic modeling. Choose from four simulation modes—Standard, Jumbo, Enhanced, and Piezo-equipped—for tailored tone shaping. The Top and Body controls let you fine-tune resonance and brightness, while the built-in digital reverb adds natural depth. Dual outputs allow routing to both amp and PA setups, making it ideal for live performance or recording.