Line in problem - sound cutting out intermittently

@dakotalazenby - Welcome to the Community! Sorry you're having trouble with the CONNECT. It sounds like submitting a diagnostic report would be great, especially while we are passing PS4 audio through the TV.

I'd also check the audio from the headphone jack on the back of the TV while passing PS4 audio through the TV as well. We want to check the full signal flow at every possible break point.

Thanks in advance.

I am also having trouble with line in on a CONNECT. The device is brand new (48 hours out of box). Updated with the latest software on setup. Today was the first day that I had time to really use the device. A friend and I tried to play a video game on his PS4, but intermittently the line in port on the CONNECT would cut out and play no sound for anywhere from a half minute to a couple minutes at a time. Sometimes it would recover on its own, and sometimes I would fiddle with the Sonos app to try to get it to play again before it had a chance to recover on its own.

The setup is as follows:
IN: TV (older) headphone port wired into CONNECT Line In with SONOS provided 3.5mm to RCA cable.

OUT: CONNECT Line Out connected to a receiver driving two wired speakers and a sub with a standard RCA cable (red-white male connections on both ends)

NETWORK: Wired connection to router going into the CONNECT (router is upstairs, CONNECT is downstairs) AND a wired connection from the CONNECT to a PS4

SETTINGS: Line In Level = 10, Autoplay enabled, Line Out Level = Variable

I know that the device has Internet connection because it is passing the Internet connection on to the PS4, and a network test on the PS four proves that there is good connection. I do own more Sonos devices but for the sake of this issue we can ignore them because I am not trying to stream the line in two other Sonos devices. Streaming music on the CONNECT seems to work OK, but passing the input from the line in to line out randomly cuts out. I cannot fathom a condition where network would have an impact on connecting the line in to the physical line out on the device, and for the purposes of this issue we can view the CONNECT as being a fancy passthrough device inserted into the middle of a cable directly from the TV headphone port to the receiver. If I remove the CONNECT and use RCA splices to create a continuous cable, the sound passes from the TV to the receiver without interruption (and this direct wiring setup has been working for months with no issue). So I would like to know why the CONNECT is deciding at random to "break" the connection? It troubles me that a brand new device, (not an inexpensive one I might add) whose sole function in life is to take audio from a source (either physical line in or stream) and output the same sound on physical line out, is malfunctioning between the physical connections.
I can send diagnostics tomorrow if required.
Also, can someone explain to me exactly what the Line In Source Level Setting does? What is the meaning of the level distinctions?
Thanks!

I had the same problem and fixed it by turning off the wireless on my smart tv. I wasn't using it anyway and the tv happened to be inbeteeen my connect and the router. If you need your tv's wireless turned on then maybe position your connect closer to the router than to the tv?

I'm also struggling with the line-in, tried almost everything and now I submitted a diagnose: 7102043..

same line in issues for me here: 7069403

I have my line in from my TV going to a Play 5. Then streaming the Play 5 line in audio to 2 Play 3's.
The Play 3's cut out very quickly and come back in but it happens often and is very annoying.

I've tried switching wireless channels.
I've tried resetting the router.
I've tried unplugging the Sonos and plugging it back in.
My Sonos has the latest updates.

The 2 Play 3's are about 10 feet from the Play 5 and my wireless only have a few connections to it.

I've submitted a diagnostic: 6892615

I just tried the line level 10 fix and it seems to have worked so far! This would be so great if it's a permanent fix. Thanks everyone!

JK! Didn't work. Still cuts in and out really quick.
It's driving me nuts.

I have my line in from my TV going to a Play 5. Then streaming the Play 5 line in audio to 2 Play 3's.
The Play 3's cut out very quickly and come back in but it happens often and is very annoying.

I've tried switching wireless channels.
I've tried resetting the router.
I've tried unplugging the Sonos and plugging it back in.
My Sonos has the latest updates.

The 2 Play 3's are about 10 feet from the Play 5 and my wireless only have a few connections to it.

I've submitted a diagnostic: 6892615

I have the same problem. It helped a lot when I changed line in level to 10. Settings > room settings > pick your connect amp > line in > pick 10. Hope this helps cause it is super annoying to watch a movie like this.

HOORAY! THIS WORKED FOR ME!!! Thank you for posting the instructions: Settings > room settings > pick your connect amp > line in > pick 10. After trying various other things, this was an IMMEDIATE FIX that worked for me for Line-In Cutting Out Intermittently. God Bless You!

Hi Gelb
I have the same problem. only using line in to the play5 on my pc and after a couple of min it stops until I tell it to play again and again...

Any solution!!!

Hi Jeff - i have changed channel and restarted. I'm sure I'll be able to connect the wayward speaker eventually, but my main issue is the audio is dropping out from the input into the Play 5 while playing the audio on that play 5 - I'm not trying to play the line-in audio on another speaker - it's the hard-wired connection into the play 5 that is getting interrupted on that play 5. Should I reset my whole system? I was thinking it could be tied to the update to the sonos software I was pushed a week back - I installed it just prior to this happening.

Hi Jeff - thanks very much for your quick reply. I tried unplugging both ends and changing the cable as well. I waited for the audio to cut out again and quickly pressed 'submit diagnostics' and it hung and then said 'unable to submit diagnostics'. I waited for the sound to come back, and it submitted diagnostics very quickly with this reference number 6358176. I wonder if it has something to do with the controller software? Perhaps resetting the whole system would be advisable? One other speaker is refusing to join the network - I go through the process of re-adding it and at the last step it says it failed. Do you suggest anything software-side that I could do to see if it is a controller issue?

Many thanks again - Gelb

Hi Gelb,

Your system is getting hit with wireless interference. This has caused your missing Sonos unit to be unable to communicate with your router. That unit is sending and receiving information wirelessly from other Sonos units, but its connection is not strong enough to communicate with your router and receive a valid network address. This is why it doesn't show up in your controller. Please start by changing the wireless channel on your Sonos system, here's how.

Once the channel has changed your missing Sonos unit may be able to get a network address on its own. If it doesn't show up in a few minutes, try rebooting your router and then also reboot the missing Sonos unit. You can also try the other wireless channel available.

Reducing interference should also help with the audio interruptions.

Please send in a new diagnostic report if you continue to have any issues.

It can't hurt to re-boot your system - Switch off the power to your router, all Sonos equipment and EVERYTHING attached to the network including phones, tablets. Then switch router back on, wait for it to connect to Wi-Fi and broadcast, then Bridge or Boost if you have them (Wait a few mins), then Sonos Speakers, then the rest of your devices.


Do NOT factory reset any of your gear unless Sonos tell you to or one of the more senior board members suggests it.

Jeff will review your last diagnostic and report back