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I am trying to use the line-in on my Connect:Amp. However, when I have a device plugged into the phono sockets, the following message appears: "To use line-in, connect a device to a line-in capable sonos player" - i.e. the Connect:Amp is not 'seeing' the Line-in connection.



I have already tried the following:



Swapped the phono cables over - no luck

Rebooted the Sonos Connect:Amp - no luck

Factory reset the Sonos Connect:Amp and added back to the system - no luck



Then I connected the same line-in device to my Sonos Connect - the line-in does show up and works OK



Used the same cables to re-connect to the Connect:Amp - still no luck



I can only conclude that something is up with the Connect: Amp



Can anybody help? Advice would be greatly appreciated.



I have submitted a diagnostics report: #7976997



Thank you!
Are you by any chance using the CONNECT:AMP to power surround speakers in a 5.1 setup? According to the FAQ, that automatically turns off the analog input.
Thanks very much for the reply but no, just a normal stereo set up.
This probably sounds like a very dumb suggestion, but it’s worth confirming that you’re not accidentally connecting one of the input cables to the subwoofer output. The three terminals for Line In L/R and Sub are the same physically, and lined up next to each other.
Are you by any chance using the CONNECT:AMP to power surround speakers in a 5.1 setup? According to the FAQ, that automatically turns off the analog input.I wondered about that, but I believe in that situation the line in option would not appear at all in the sources.



If @pwt's suggestion does not prove to solve the problem then the system diagnostic may help as it sounds like it may be a hardware failure.
Really appreciated the replies folks. Having just about given up, I did yet another factory reset tonight ... and hey presto, the line-in shows up. Must have been some kind of glitch. I'm hopeful it won't happen again!