PwrON 9V DC AC Adapter Charger for Casio MT-36 MA-150 MA-170 MA-220 Supply Power – ASA College: Florida
Casiotone - Wikipedia
Amazon.com: PK Power AC/DC Adapter for Casio MT-200 Casiotone Electronic Musical Instrument Power Supply Cord Cable PS Wall Home Charger Input: 100-240 VAC 50/60Hz Worldwide Voltage Use PSU : Electronics