HQRP AC Adapter for Roland BRC-120 fits GR-33, GR-20 Guitar Synthesizer, AF-70 Anti-Feedback Processor, Power Supply Cord G2457144R0 + HQRP Coaster HQRP&reg; Replacement AC Adapter plus HQRP&reg; Coaster; Input: 120V AC; Output: AC (Alternating Current) 14V, 800mA; 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!