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Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Casio CT-657 Keyboard - US Plug : Musical Instruments
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Amazon.com: MyVolts 9V Power Supply Adaptor Compatible with/Replacement for Casio CT-657 Keyboard - US Plug : Musical Instruments
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Amazon.com: MaxLLTo 6ft Extra Long AC Power Replacement Adapter for Casio Keyboard CT-610, CT-615, CT-630, CT-636, CT-638, CT-640, CT-650, CT-657, CT-660, CT-656, CT-670, CT-770 : Electronics
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Amazon.com: 9V Power Adapter fit for Casio Keyboard AD-5 AD-5MU WK-110 WK-200 LK-43 LK-100 CT-360 CTK-496 CTK-573 CTK-611 CTK-700 CTK-710 CTK-2100 CasioTone Piano Keyboard Power Supply Cord : Musical Instruments
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