Olimpus Music LTD - Succeeding the popular YDP-S52, the Yamaha YDP-S54 is from Yamaha's Arius line of pianos—ones that entry level digital piano players can enjoy, but robust enough that one with
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Amazon.com: AC Adapter Power Suppy Compatible with Yamaha Arius YDP-S52 Digital Piano YDPS52 : Musical Instruments
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