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Amazon.com: AC Adapter for Casio CTK-3000 CTK-401 Keyboard Charger Power Cord Supply : Musical Instruments
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9v 850ma Ac Adaptor Adapter Power Supply Wall Charger For Casio Ctk-2000 Ctk-2100 Ctk-3000 Ctk-4000 - Ac/dc Adapters - AliExpress
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HQRP 884667901013600 AC Adapter / Power Supply compatible with Casio CTK-2100 / CTK2100 / CTK-3000 / CTK3000 Keyboards
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AC/DC Adapter Power Supply For Casio CTK-533 CTK-731 CTK-520L CTK-519 CTK- 3000 | eBay
ABLEGRID 9V AC DC Adapter For Casio CT-636 CT636 CTK-2100 CTK2100 CTK-3000 CTK3000 Piano Keyboard 9VDC Power Supply Cord Cable Wall Charger Worldwide Voltage Use Mains PSU - Newegg.com