This is a high quality 12v mains adaptor. With its new eco-friendly design it enables a more efficient power delivery to your instrument. Although designed predominantly for the PSR range of keyboards this adaptor can also be used with a wide array of Yamaha products which are listed below. These have proven to be highly reliable with both educational facilities and domestic customersSuitable for all the following models and more: YPT200 YPT210 YPT220 PSR125 PSR170 PSR172 PSR175 PSR190 PSR195 PSRE203 PSRE213 PSRE223 PSRE233 PSRE243 PSR201 PSR202 PSR260 PSR262 PSR273 PSR280 PSR282 PSR290 PSR292 PSR293 PSR295 PSRE303 PSRE313 PSRE323 PSRE333 PSRE343 PSR350 PSR403 PSRE403 PSRE413 PSRE423 PSRE433 PSR450 PSR550 EZ200 DD45 EZ220Official Yamaha power adaptor designed for PSR series keyboards New eco friendly model that delivers more efficient power12V power adaptor Lead length of 1.5 meters Suitable for use with a wide range of keyboards Ce marked and Rohs Certified parts for quality and safety