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Amazon.com: MaxLLTo 6Ft 9V AD-5 Power Adapter for Casio Piano Keyboard AD-5 AD-5UL AD-5MU AD-5MR AD-5EL AD-5MLE AD-5GL WK-200 LK-100 LK-220 CTK120 CTK-300 CTK-500 CTK-700 CTK-800 CTK-900 CTK-2000 CTK-3000 CTK-4000, AC Adapter
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Amazon.com: MaxLLTo 9V Power Supply Cord Charger, 6 FT Extra Long Replacement AC Adapter for Casio Keyboard CTK-500, CTK-501, CTK-510, CTK-511, CTK-515, CTK-518, CTK-519, CTK-520, CTK-520L, CTK-530 : Musical Instruments
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