The master keyboard hammer, touch the piano. I use it with a U220.
The feel is that of a piano with good service, very nice for advanced players.
Unfortunately, I could not use the manual, the CD was broken during the sale. If a user can download this CD myself, I thank in advance.
For the rest, I expect to explore more deeply to say.
One month, the first use of a keyboard master. Without notice, the usage is a bit complex