My S9 with my P10 Airfit mask is completely silent for me. With my Mirage Quattro or my Swift FX it was a LOT louder.

Good post. You could have just as easily slipped away and just come back to the forum under a different username and no one would have probably known. Instead you owned what happened and that takes a lot. Good luck. I went through hell for the first month trying to get treatment worked out and the h...

I've been using a CPAP machine since late 2013 and when I started I had the worse possible experience with the first machine that I was given along with the horrible care I got from the doctor who also was their own DME. I tried to get them to give me an autoset machine but they refused and I ended ...

How old is the machine? The S9 autoset is a good unit and if it's not that old it would definitely be cheaper to get a new humidifier for it than to get the 10.