Looking for an all in one streamer/amp for a den system

Speakers get real opinionated.  My opinion.  Used or new Kef LS 50 or Harbeth P3ESR.  My daughter and her partner have NAD paired with LS50. Base impressive. I like it. He would listen to it all the time if they did not have a baby.

Get the active LS50 Wireless (used). 

Wiim

Sonos is a good route. Powered speakers you can control on your phone. Place as many speakers in different rooms as you want and play different music in each space. Very simple. I helped my neighbor set this up in his house. His wife has stereo in her art room, he has a living room stereo and lastly a stereo on his covered outdoor patio. He also bought stands for the smallish speakers. He started with one pair, then two, finally three and told me he couldn’t be happier.

The only combo product that I had personal experience with was a Marantzstreamer DAC Amp many years ago and it was terrible, buggy on the streaming end, buggy and with non existent CS.

  I know the OP said one box, but given the size of the Wiim and the Bluesound Nodes, which are both just a tad bigger than wallet sized, I think the OP should be a little flexible here as either product will be barely visible sitting on an integrated amp.