The tweeters don't work or there are not even tweters in it? are they just hole to fool us?

I don't have any stores close that carry these models can someone tell me is the PSRK1
as good of a piano and organ voice as the 550 how about the dgx 300 and are the speakers the same???

If the roland is not out in europe yet when can we look for it in the U.S. anyone talk to roland yet?