Dan, sorry to disagree, but I must.

The PA2xPro keybed and the SD1/1+ keybeds are not the same. Both are Fatar, but they are different models.

The PA1xPro felt about the same as the SD's, although the keys were longer.

I have owned all three.

As for the Audya having the same as a PA2x I don't know as I have not played one yet.

For a start the key length on the PA keybed is longer and the black keys also have sharper edges as opposed to more rounded ones on the Ketrons.

The PA action is also firmer than the SD1/1+ too.

Let's not forget that Fatar make dozens of keybeds, including the great 76 fully weighted one found on the Studiologic/Fatar VMK176 controller.

Now THAT would be one awesome keybed to put on either a PA2xPro or a Audya!!

Dennis