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UPBRIGHT Global AC Adapter For Casio CTK-4000 CTK-558 CTK-700 Piano Keyboard Power Supply Cord Charger - Walmart.com
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Casio CTK-4000 61-Key Portable Keyboard, 570 Tones, EFX, Lessons, Polyphony, AC & Battery Operated | Reverb Australia
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Amazon.com: HQRP Elastic Dust Cover w/Bag compatible with Casio CTK-4000 / CTK4000 / CTK-4200 / CTK4200 / CTK-491 / CTK491 Electronic Keyboard Digital Piano : Musical Instruments
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Casio CTK-4000 Personal Keyboard, 61-Key, with MP3 Connection, 10 Second Sampling, and Digital Effects : Amazon.in: Musical Instruments
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