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How do I connect my old speakers?
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Q I have an old Sonos controller that no longer works, and two Sonos speakers that do – or they would if the controller was working. I’d like to connect the speakers to a more modern sound source, but I don’t recognise any of the connection sockets on the back. The first is square and looks like a LAN port. The second is threaded and doesn’t look like anything I’ve seen before. I’ve been a reader for over 25 years, so I’m hoping you can help.