The BOSS AC-2 is an effect unit designed to transform an electric guitar sound into an acoustic sound. It features four selectable sound modes: STANDARD, JUMBO, ENHANCE, and PIEZO. Users can adjust the sound characteristics using LEVEL, BODY, and TOP knobs to simulate various acoustic guitar tones.
| Input Jack | Accepts input signals (coming from a guitar, some other musical instrument, or another effects unit) |
|---|---|
| Output Jack | Provides the output from the unit |
| E.G. OUT Jack | Outputs the effect and the direct sound separately |
| Power Supply | AC Adaptor (PSA-Series; Optional) |
| Battery | Installed before it left the factory |
Power is turned on whenever a plug is inserted into the INPUT jack.
It shows whether an effect is ON/OFF and doubles as a Battery Check indicator.