Professional 61-key Keyboard Connectors Usb 2.0 Cable Silver-plated Fit For Casio Ctk-2400 Ctk-4400 Ctk-6200 61-key Keyboard - Guitar Parts & Accessories - AliExpress
Amazon.com: Casio Inc. CTK4400 61-Key Touch Sensitive Personal Keyboard with Power Supply : Musical Instruments
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ReadyWired USB PC Cable Cord for Casio CTK-2400, CTK-4400, CTK-6200 Keyboard - Walmart.com
Casio CTK-4400 Kit with Stand, Pedal, and Bench B&H Photo Video
CASIO CTK-4400 61 Keys Electronic Portable Keyboard With Adaptor (CTK4400)
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CASIO CTK 4400 61-KEY PORTABLE KEYBOARD - TESTED AND WORKING
Rockville 61 Key Keyboard Case w/ Wheels+Trolley Handle For Casio CTK-4400 - Walmart.com
Best Buy: Casio Portable Keyboard with 61 Touch-Sensitive Keys Black/Silver CAS CTK4400 PPK