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UL 5ft AC DC Adapter for Yamaha DGX-660 DGX-660B DGX-660W DGX660 88-Note Piano 740972528156 | eBay
New From NAMM 2016: Yamaha DGX 660 Portable Grand Piano - YouTube
Yamaha DGX660B 88-key Grand Digital Piano+Adapter+Stand+Sustain Pedal DGX-660B | Audio Savings
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Yamaha DGX-660 88-Key Portable Grand Digital Piano - White