US 6V Power Adaptor for the Arturia Keylab 88 Keyboard by myVolts
Amazon.com: AC Adapter for Arturia KeyLab 88 KeyLab88 MIDI Controller Keyboard Wall DC Charger Power Supply Cord Cable Mains Plug, 5 Feet, with LED Indicator, Compatible Replacement : Musical Instruments
Arturia KeyLab Essential 61-Key Controller — Chuck Levin's Washington Music Center
Amazon.com: DCPOWER AC/DC Power Adapter/Power Supply Compatible Replacement for Arturia KeyLab Essential 49 Keys Controller : Musical Instruments