US 9V Power Adaptor for the Casio MT-240 Keyboard by myVolts
Casio MT-240 keyboard for Sale in Edmonds, WA - OfferUp
Amazon.com: Accessory USA AC DC Adapter for Casio Casiotone MT-240 MT-210 MT-205 MT-500 MT-520 MT-820 Piano Keyboard Synthesizer Power Supply Cord Cable Wall Charger : Electronics
Casio Casiotone MT-240 ~ Vintage 1980s ~ Pulse Code Modulation Keyboard Synthesizer ~ MIDI in out | Reverb