9v 1a Ac Dc Adapter For Casio Tonebank Ct-637; Casio Ct-350, Ca-301, Ca-401,cps300,mt-740 Keyboard 9v Dc Power Supply Cord - Pc Hardware Cables & Adapters - AliExpress
Casio MT-740 465 Sound ToneBank 61-Key Digital PCM Piano Keyboard w/ MIDI | Reverb