Amazon.com: Casio Inc. CTK4400 61-Key Touch Sensitive Personal Keyboard with Power Supply : Musical Instruments
Casio CTK-4400 61-Key Portable Keyboard | Reverb
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Casio CTK-4400 Kit with Stand, Pedal, and Bench B&H Photo Video
Amazon.com: DCPOWER AC Power Adapter Compatible Replacement for CASIO CTK- 4400, CTK4400, CTK-4200, CTK4200 Keyboards : Musical Instruments
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