HQRP AC Adapter for Boston Acoustics BA735 Speaker System DK1201A5-1AN, Power Supply Cord, 12V AC + Coaster HQRP&reg; Replacement AC Adapter plus HQRP&reg; Coaster; Input: 120V AC; Output: AC (Alternating Current) 12V, 1.2A; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off; Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise; 1 Year warranty!