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
Yamaha Arius YDP-S54 Digital Piano | zZounds
Amazon.com: Yamaha YDPS54B Arius Series Slim Digital Console Piano, Black : Musical Instruments
Yamaha YDP-144 vs YDP-S54: Find The Better Piano
Yamaha Arius YDP-S54 vs YDP-164 | What's the difference? - YouTube