The adapter is not included, but I have confirmed that sound can be produced with another adapter. However, I have not been able to verify all functions, so please consider it as-is. This is an auction for the main unit, instruction manual, and box. I will wrap the box in bubble wrap before shipping. Thank you. The AKAI RHYTHM WOLF is a digital drum machine with over 10 control knobs and a pattern selection function. - Brand: AKAI - Model Name: RHYTHM WOLF - Function: Drum Machine - Control Knobs: 10+ knobs - Display: Digital Display - Pattern Selection Function: Yes - Connectors: USB, DC IN Thank you for viewing.