AC ADAPTER For Casio Piano Keyboard Power WK-6500 WK-6600 WK-7500 CTK-6200 | eBay
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Amazon.com: UpBright 9V AC/DC Adapter Compatible with Casio CT-615 CTK-615 CT-615C 210 Sound Tone Bank Keyboard AD-K90 ADK90 BS415 AD-K90S use with Liquid Crystal Display LCD TV TV-7500 CA-K90 9VDC Power Supply :
Casio WK-7600 76-Key Keyboard / Workstation – Same Day Music