On July 25, 2018 at 16:07, g007 said...
MediaImageAV
You can take it to the bank (IPO) that Sonos knows what their failure rates are. It is a critical part of the manufacturing process. I will bet a steak dinner that the rate is CONSIDERABLY below .1%.
You might be buying the steak. Before I became an installer, I was a warranty service center for about 25 brands of consumer electronics. Many of those brands would have been happy to be under 1%, and .1% was just a dream for many of them.