Hello, 

My friend has a Sonos Connect:AMP that appears to wirelessly connect to two pairs of ceiling speakers. One pair of speakers works, however the other doesn’t. The speakers are connected to a Niles SS-4 Speaker Selection System if that is important as well, there are volume knobs throughout the house that control the volume of the speakers 

I’ve seen online and my theory is that the speakers share the same IP Address, so only one pair of speakers is actually receiving any type of data? I’ve reset the router and Connect:AMP which didnt seem to work. I also understand I should log into the router but that is restricted so next step would to connect to the router through ethernet, but are there any other fixes or found solutions? Some technicians said to just rewire everything and install new speakers, which would be thousands of dollars for some reason but as far as I see its just a wireless problem? 

Thanks