UPBRIGHT 18V AC / DC Adapter Compatible with Donner DKA-20 DKA20 20W Keyboard Amplifier 20 Watt Keyboard AMP Piano Speaker 18 VDC 2500mA 18VDC 2.5A - 3A DC18V 18.0V Power Supply Cord Cable Charger PSU

World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright New Global 18V AC / DC Adapter Compatible with Donner DKA-20 DKA20 20W Keyboard Amplifier 20 Watt Keyboard AMP Piano Speaker 18 VDC 2500mA 18VDC 2.5A - 3A DC18V 18.0V Package Content:1 AC Adapter. (We are Specialists in OEM AC power adapter for many devices and equipments. We can custom-make any Voltages, Amperages and various connectors power supply. Please let us know, if you have any need.)