PSR-E453 Discontinued
![](/en/files/PA-150A_540x540_271x271_ab550760b2aa4fb5b88e024c0d8d6b5c.jpg)
PA-150A
AC power adaptor
![](/en/files/scale_tuner_540x540_271x271_21bef924933e5902d3c3f75004928f11.jpg)
Scale Tuner Discontinued
Scale Tuner allows you to change the tuning of a compatible Yamaha keyboard or digital piano to Arabic or pure temperament tuning.Scale Tuner is only available in the countries where Apple Inc. offers Apple Store.