BOSS AC-2 Acoustic Simulator Effects Pedal Purchased about 20 years ago. Used only for home practice and stored long-term, this is a used item. Since the operation has not been confirmed, it is being sold as a junk item. Please comment with any questions or price negotiations. - Model: AC-2 - Brand: BOSS - Output Terminals: E.G. OUT - Input Terminals: INPUT - Modes: STANDARD, ENHANCE, JUMBO, PIEZO - Power: DC 9V - Size: Compact Pedal Thank you for viewing.