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Amazon.com: 19V AC/DC Adapter Charger Power Supply Cord for Harman Kardon Onyx Studio 5 4 3 2 1 IV III II I Bluetooth Wireless Portable Speaker HK NSA40ED-190200 ESX2567Q ONYX3 2GP468 AU38AA-00 : Electronics
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19V 2A Power Adapter Charger For harman / kardon Onyx Studio 1 2 3 4 Bluetooth Portable Wireless Speaker Power Supply - AliExpress
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