Summary: For my bedroom, I've previously used the Bose SoundLink II, but wanted to enable multi-room music with my stereo in the living room, so got the Play: 3 and the Play: Connect. The 3 in the bedroom and the Connect with my living room receiver. The Play: 3 is nice for this setup to create a connected music system, but on its own, the Play: 3 does not produce sound that's worth $300. For a standalone wireless music speaker, the Bose SoundLink II is MUCH better.
Summary: We have a Play: 3 in our living room. The first thing that amazed me was that we need a "bridge". Given that these things are sold as being wireless it sets a bad precedent to have to buy another piece of hardware to get this thing to work. But then that's the rabbit hole that is Sonos, you're always buying more to get the system you want. After going through the painful setup of mashing button on devices in different rooms I got the Play: 3 working.
Pros: Great Sound Quality
Cons: No Airplay, No Line In, Setup Is Painful, So Expensive It Hurts
Summary: I use the unit to provide sound into rooms/areas where I do not have hardwired audio. Very satisfied with this. I did have two units that were bad - the first did not work out of the box, and the second failed after about a week. Both were replaced by my retailer/installer. Third unit works fine so far. If it were not for this quality issue, I would have rated the product 4-5 stars.
Pros: Attractive Design, Easy To Set Up, Great Sound Quality, Very Convenient Portable
Summary: I love the SONOS.... when its working!!! As it relies on wifi whenever there's a glitch with this I have to reset all the controllers and then things don't always go back to working as they did previously. As with lots of technology its so frustrating when it doesn't work as it should.
Pros: Easy to use, Good Power Output, Great Sound Quality
Summary: It is what it is, a functional wireless speaker. Better than my clock radio but nowhere near my stereo system. If you need decent sound outdoors, in the garage or bathroom this will work very nicely. If you are an Audiophile look elsewhere. Would placing the URL for the program download somwhere in the 4 setup steps be too much trouble?
Summary: The product is portable with great sound. When it works it works great....it is frustrating when it drops the signal and stops for no reason....or loses power as the cord connection just doesn't "hold". It is tight in the slot, but still loses the power.