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I bought a New Samsung TV and Sonos ARC Soundbar last week: 

Samsung TV Model QE65Q95TATXXU

Software Version : 1115.5

Connected Sonos Arc to the eARC port 3 on the TV and the Arc only delivers any sound when the eARC is switched off (no Sound on Automatic). The Sound output on the TV is only recognising the ARC as connected to HDMI when it should recognise it as connected to the eARC HDMI port. The Dolby ATMOS compatibility button makes no difference when on or off. Pass through setting makes no difference. Dolby Atmos (DD+) is recognised by the SONOS App when playing directly from Netfix App on TV, this means the TV and SONOS ARC are not talking to each other and not recognising the eARC signal (it should say DOLBY Atmos not DOLBY Atmos DD+). Checked all connections and have rebooted both TV and Soundbar with no success

Not ideal when the TV and Sound Bar cost over £3500, I just want it to work and thats what should be delivered by SONOS.

Spoke to SONOS Support (Xander P) and these are the quotes from him:

It does look like there may be some issues arising when the eARC function on the TV is enabled. DD+ is capable of carrying a compressed ATMOS signal, so you should still be able to experience ATMOS from your Arc. In the mean time however there's no fix for this.

I'm not able to give you a solid answer right now unfortunately, however the Arc is known to work with other TVs so my inclination would be that this is a Samsung issue. We are certainly aware of this however and we are reaching out to Samsung in order to get this resolved.

I would expect this to be fixable via a Firmware update, however I can't guarantee this unfortunately.

We are reaching out to Samsung in order to get this issue resolved. Due to the huge number of TV models and manufacturers, issues such as this do sometimes arise - in any case we are looking in to getting it resolved and we are happy to assist any customers which are affected by this issue.

So basically SONOS are blaming Samsung because the ARC works with other TV's. No firm promise of a fix, not very impressed with SONOS at this point as Samsung could be classed as a major supplier of global premium TV's and you would have thought that SONOS would have ensured their premium soundbar would work with the new Samsung Flagship range, but apparently not.

Suggest SONOS and Samsung get their act together and sort out the issue.

Hello Sonos

The issue occurs with just the just TV connected to the Arc as well. In my setup I have nothing else other than the TV and Arc via the OneConnect eARC HDMI port - simply do not work well together. A powercycle of the OneConnect seems to work briefly and then back to non-working state.


Samsung…

Before i got into sonos, i bought a samsung q60t (2020) soundbar..the bar only detects the connection as D.In not Ark to my non samsung tv..now im happy with my beam+sub gen3..

 

Sorry for the off topic...


Same problems here with a Q95T 55”, If I put HDMI eARC onto “Auto” I get no sound. If it’s turned to  “Off” I get sound. If I leave it set to “Off” and turn on the TV the next day, I get the sound cutting or shuttering off and on every 2 seconds. It’s really frustrating this is not fixed yet!


I have a Samsung Q60t 55” (2020) and the Sonos Arc and I am really struggling. So many issues, audio playing out the arc but the app won’t connect and link with the TV, tv remote turns up the inbuilt speakers so I get weird phasing. I can see the Sonos artwork on the tv source but it doesn’t recognise it as the Sonos Arc (it has previously). Every hour of every day is some new unsolvable issue. 


That’s great news, is there an ETA though?


Got the same here CvH7.  Brand new Q95T 75” delivered this afternoon.  If I leave the TV on eARC off, I see Dolby Atmos for some Netflix and Amazon Prime app movies, and some that say they are Atmos just say Dolby Digital 5.1 in the Sonos app info  If I enable eARC I get no sound on anything anywhere.

I’m hoping this will be resolved in the next 27 days (return period).  If not, I’m not sure what Samsung will offer or do. It was an expensive TV here in the UK.


You’re not alone. Here a LG C9 OLED with Sonos ARC with audio delay. I think it has more to with the tv then the Sonos as the audio is delayed which I think is caused by the tv rather then by processing the audio in the Sonos ARC. 


Hi Daryl,

 

I have the same set up and brought both together for eARC functionality. Unfortunately I have the same issues as you.

 

I really hope Sonos can find a fix for this.. 


Many thanks for the details, I’ll have a look into it, I guess it’s a work around until Sonos sort out the mess..!


Why wasn’t this resolved before the Arc launch? Sonos must have tested a bunch of combinations, and should have notified the other manufacturers of issues and worked with them to have the fixes ready for launch.

This is common practice in the AV space, especially for complicated items like HDMI interop.


good stuff @Mikelev ! Let’s hope they work something out quickly and we can put this behind us and just enjoy the products :)


@Mikelev at least an update with some comforting feel to it. Now lets hope they are actually working together and get this sorted asap!


@106rallye The linear setting works fine and does give surround sound yes, however there does seem to be a difference in sound quality and “immersion” when the “Dolby” setting in enabled, which sounds better than the linear mode, however with “Dolby” I get the delay in sound vs. video… I have my PS4 connected to the one-connect box, so the sound is sent via there to the Sonos system. (DTS i know is not supported) Not sure how i can get lip-sync working properly when using “Dolby” setting

 

I agree with your comment on the one-connect box. it appears that is indeed where the problem lies unfortunately… I just raised the issue with Samsung support here in Holland, and they said they will send me a new One-connect box straight away. I told them I don’t think that will change the issue, but they want to try it anyway. Guess it’s never a bad thing having a spare one-connect box given they are crazy expensive haha. Still doesn’t fix the issue though :(

 

 


@CvH7 What's the problem with the Linear setting on the PS4? Doesn't that give you surround?

DTS shouldn't work because Sonos doesn't do that - my Samsung QE65Q90 translates DTS to stereo. Dolby should be lipsync though….

Thde problem is nog geography-related as such. It is just that Samsung uses the same model numders in different countries for TV's with and TV's without the Connect box. It seems the problem lies with the Connect box. So countries without the Connect box are good...


Interestingly, I finally called Samsung Support in Australia. They categorically stated there are NO issues with eARC connections with any soundbar. I specifically asked about the Sonos ARC. And The Frame and Q95T. No issues. None. Ever….

Fortunately I have a transcript so will use this as ammo when the crunch moment comes, and I’ve installed a house full of Samsung and Sonos. 

Thank to all for your help with the issue. 


An update after getting the Playbar switched to the ARC. Installed everything and sound comes through when the "eARC" function on the TV is "OFF" only. When switched to "Auto", no sound what so ever... 

 

When eARC is off, the sound comes through fine and works properly, except on the PS4 Pro.

There is a setting on the PS4 Pro for Audio to be either "linear", "Dolby" or "DTS". Choosing the "Dolby" or "DTS" option, the sound still works and sounds great, however there is a second or so delay in the sound so this doesn't work. (ex. take a shot in Call of Duty and wait for a second to hear the sound of that shot....) So setting has to be "Linear" to work without lag. 

 

Have tried different setting combinations on the TV to try and get sound with eARC enabled, but no luck so far. Shame really.…

 

Can’t believe after reading Ty Rua’s post that this is geography related! So much for an international business…. Hoping Samsung figure out what is happening and come up with a proper solution for this soon. I will raise an issue myself to try and get some pressure on the matter.


Alberta

Saw this on a Samsung site. Seems it answers your situation, but not mine. 

QUOTE “I have contacted Sonos and Samsung directly with both blaming the other party for the issue and that's disappointing. 

On discussions with both communities, it now appears that users with the Q80T can connect via eARC, however many users with Q95T and Frame 2020 models cannot get sound via the eARC so potentially a big issue.

This also now sounds like a Samsung issue, as the standard eARC function not talking to the Sonos Arc via one connect, but other Samsung models are talking to Sonos Arc. I have seen evidence of this on a Q80T where eARC is working and the device shows as Reciever (HDMI eARC), on the Q95T, on setting to Auto you get Reciever HDMI” 

The contributor goes on to berate the unhelpful and unknowledgeable “specialists” at Samsung.