T-Power AC,DC Adapter Compatible Alesis QX25 25-Key USB MIDI Keyboard Controller Power Supply Cord Cable PS Charger Mains PSU T-Power Made with the Highest Quality ( 6.6 feet Extra Long Cable ) T-Power ac adapters are made with the highest quality materials tested by manufacturer to match and/or exceed specifications of OEM products ) Warranty: 1 Year / Adapter features safeguards against incorrect voltage, short circuit, and internal overheating. 1-year limited warranty