HQRP® Replacement AC Adapter plus HQRP® Euro Plug Adapter; Input: 100V-240V AC (USA plug+EURO adapter); Output: DC 16V, 1.5A; 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; Compatible With: Harman Kardon SoundSticks I, II, III, 1, 2, 3 Multimedia Speaker System Sound Sticks Power Supply Cord 16V 1.5A NU40-2160150-I3 NU402160150I3 AP3211-UV. Please note that Speaker System is not included in our offer.