The video was published just prior to the release of the XRS4500 model.Code:https://www.youtube.com/watch?v=nOUeuCj0sIE
This is a rather long interview (not excessively long) but hang on to the end.
The Buzz guys do tell some of their trade secrets
Disclaimer: I no longer endorse Ytube with what they have been doing in recent years with all their crap.
But this video is seen no where else, so there it is