HQRP AC Adapter for BOSS DR-770 DR-880 Dr. Rhythm Sound Generator, SP-505 Groove Sampling Workstation, JS-5 Jam Station, Power Supply Cord + 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; Compatible with Original AC Power Adapter; 1 Year warranty!