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UL AC-DC Adapter Charger for Casio CTK-4000 CTK-558 Keyboard Power Supply Mains | eBay
Casio CTK4000 Portable Keyboard Pack with Stand, AC Adapter, Headphones, and Keyboard Starter Instructional Software : Amazon.in: Musical Instruments
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Amazon.com: Guy-Tech Global DC 9V AC/DC Adapter Compatible with Casio CTK-4000 CTK4000 Digital Piano Musical Keyboard 9VDC Power Supply Cord Cable Charger : Musical Instruments
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