I have a Sonos Playbar in a living room connected to a switch. I then have a long hallway in a flat and a bedroom where wireless is not good. I have a Devolo wireless extender which uses Powerline, and I used to connect a pair of Play: 3 speakers in stereo mode to the 2 Ethernet jacks of the Devolo. Recently I have had issues trying to stream the audio from the TV on the Playbar to the bedroom. I went to the diagnostic web page on the Sonos devices and the problem at the moment is poor connectivity between the Playbar and the Play speakers. My question is if I purchased a boost, could I put the boost in a room between the bedroom and the lounge but there would be no Ethernet there (i.e., it would then have to receive and broadcast the Sonos network wireless signal)? If not, I could try putting another wireless speaker in the room and see if this improves the signal. Any suggestions?