Guyatone AC-102N AC adapter with 9V output and a maximum of 200mA, featuring four output terminals. - Brand: Guyatone - Model: AC-102N - Output Voltage: 9V - Maximum Output: 200mA - Connection Terminals: 4 output terminals - Power Supply Type: AC adapter It's an old power supply, but I think it's still usable!! Since the power supply is integrated, you don't have to worry about losing it. Guyatone is great! (´д｀)