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Contributor I
May 18, 2026
Answered

Arc Ultra Connections

I have a sound issue that originates with my Panasonic UB 820-K blu-ray player.  It is dropping audio during playback and the fix is to use the dual hdmi outputs from the blu-ray.  One video hdmi out to the my TCL QM8L tv, and one audio hdmi out to the Sonos soundbar.

 

Well the Sonos Arc Ultra only has one earc hdmi input.  How do I run a non-earc audio hdmi from my blu-ray player to the Arc Ultra?

 

Thx

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Stanley_4
Stanley_4Answer
Grand Maestro
May 18, 2026

The TV has eARC but only on HDMI 1

https://us.tcl.com/products/tcl-85-qm8l-series-sqd-mini-led-4k-uhd-hdr-smart-tv-with-google-tv-85qm8l

4x HDMI 2.1 (4K@144HZ) HDMI1 with eARC

 

Connect the Arc Ultra to HDMI 1 using a cable that supports eARC, that should have everything working. If the player still has issues maybe check to see if their support has anything.

16 replies

KABinAuthor
Contributor I
May 18, 2026

MoPac, Yes, currently I am using the main hdmi output from the blu-ray player for both video & audio connected to the tv and the Arc Ultra connected to the eARC of the tv.

I am using high end Audio Quest HDMI cables as well.  

 

KABinAuthor
Contributor I
May 18, 2026

Buzz, I will try that one evening to see if that helps.

AjTrek1
May 18, 2026

According to my research…

Use the HDMI Audio/Video (combo) port to an available HDMI Port on the TCL QM8L.

My research also shows that the TCL QM8L as HDMI eARC to accommodate the Arc Ultra. 

Those connections should  be sufficient. If not there’s something else going on probably with the audio settings for the TCL.

Together Everyone Achieves More = T.E.A.M.
KABinAuthor
Contributor I
May 18, 2026

Stanley, thx.  yes, I have the SONOS Arc Ultra in HDMI 1 eARC.  

 

I started here since the blu-ray player does have a recommended work around with the dual HDMI outputs for audio and video.  When I purchased the SONOS equipment, I didnt realize that one input (for just eARC) on teh Arc Ultra would become an issue.

KABinAuthor
Contributor I
May 18, 2026

AjTrek1, thx.  All things connected as you stated.   Since the TV is only a week old, I have been through many of the settings, but will check them again.  The blu-ray is even newer than the tv.  

 

There is so much “old” technology out there for blu-ray.  Many dont offer Dolby Vision support like Panasonic.   The difference in audio and video quality is night and day between blu-ray and streaming.

buzz
Grand Maestro
May 18, 2026

Buzz, I will try that one evening to see if that helps.

I’m not suggesting this as the final cure, but it’s quick and easy way to log data that can lead to a cure.