HQRP AC Adapter Power Supply for Boss AD-3 Acoustic Instrument Processor ; Boss AD-8 Acoustic Guitar Processor Guitar Effects pedals + Euro Plug Adapter HQRP&reg; AC Adapter plus HQRP&reg; Euro Plug Adapter; Input: AC 100V - 240V; Output: 9V (9.6V); 200mA; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise. 100% Compatible with Original AC Power Adapter; 1 Year warranty!