This is a Digitech Bass Whammy. It needs repair due to poor contact. It seems to work fine when powered on. The adapter is not included. It uses a DC adapter, not the conventional AC adapter. Is there anyone who can repair it? Please be aware that it is defective. - Model Name: Digitech Bass Whammy - Color: Blue - Functions: Harmony, etc. - Power: 9VDC 1300mA - Output Terminals: Output terminals available Thank you for looking.