罗兰的电子钢琴和雅马哈的电钢哪个效果更好一些？？

对键盘不是很了解，但与roland和yamaha的键盘都合作过，个人感觉加上键盘手自身感觉还是roland好些。其实KOGN的还要更好些。

前者当然贵重，质量更高一筹，前者只做高端的产品。
而他们都落后与本人25年前的能力。
The next generation keyboard, future keyboard!
challenge and subverting the global computer keyboard, keyboard music instruments in 25 years ago，
The pioneer of the Chinese people firstly entered this area. who sent it into the modern house of CEO of Microsoft?
To challenge AT&T of the United States by improving communication deficiencies
Improving communication deficiencies, Chinese people challenge AT&T of the United States.