HQRP AC Adapter for Harman Kardon Onyx Studio Portable, Onyx Studio-2, Studio-3, Studio-4 Speaker ONYXSTUDIO2BLKUS HKONYXSTUDIOJN NSA40ED-190200 ESX2567Q AU38AA-00 AU38AA-OO + Euro Plug Adapter HQRP&reg; Replacement AC Adapter plus HQRP&reg; Euro Plug Adapter; Input: 100V-240V AC; Output: DC 19V, 3.42A; 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! Compatible with: Harman Kardon Onyx Studio, Onyx Studio-2 Studio-3 Studio-4 Wireless Speaker System Power Supply Cord Adaptor ONYXSTUDIO2BLKUS HKONYXSTUDIOJN NSA40ED-190200 AU38AA-00 AU38AA-OO