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 YDP-S54 Digital Piano – Irvine Art And Music
YDP-S54 - Overview - ARIUS - Pianos - Musical Instruments - Products - Yamaha - Other European Countries
Yamaha YDP-S54 Review - A Better Looking And Cheaper YDP-164
Yamaha YDP-S54 Review - A Better Looking And Cheaper YDP-164
Yamaha Arius YDP-S54 – Keyboard Concepts Piano Stores
Yamaha Arius YDP-S54 vs YDP-164 | What's the difference? - YouTube