Why Is My Sonos Beam Gen 2 Not Playing TV Sound on HDMI ARC
- HDMI cable not ARC compatible
- TV output set to internal speakers
- CEC disabled
Problem Description
No sound on HDMI ARC usually means the TV audio output is set incorrectly or ARC is disabled. This guide enables ARC, confirms audio format, and re-syncs the Beam.
Why This Happens in Real Homes
No sound on HDMI ARC usually means the TV audio output is set incorrectly or ARC is disabled. This guide enables ARC, confirms audio format, and re-syncs the Beam. In day-to-day use, this usually looks like No TV audio through Beam; HDMI ARC port used; TV speakers still active.
Most cases trace back to HDMI cable not ARC compatible; TV output set to internal speakers; CEC disabled. The fix works best when you go step by step instead of changing multiple settings at once.
A practical order for this issue is: Check HDMI Port -> Enable CEC -> Set Audio Output -> Run Sonos TV Setup. After each step, test the exact behavior that was failing so you can confirm what actually solved it.
Symptoms
- No TV audio through Beam
- HDMI ARC port used
- TV speakers still active
- Sound works in Sonos app
- CEC disabled
- Audio delay or silence
Recognize these? Here's what usually causes it.
Common Causes
- HDMI cable not ARC compatible
- TV output set to internal speakers
- CEC disabled
- Audio format unsupported
- Beam not set as TV device
- ARC port not used
Most fixes happen in the first 3 steps.
Do not connect the Beam to a non-ARC HDMI port. It will not receive TV audio.
Tools & Requirements
These tools will help you complete this fix.
high-speed HDMI cable
Snowkids 8K Certified HDMI 2.1 Cable 10 ft, Non-Slip...
tv remote
GripStand™ Apple TV Remote Cover, Scratch-Resistant ...
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Step-by-Step Solution
Check HDMI Port
Verify the Beam is connected to the HDMI port labeled ARC or eARC on the TV.
Needed for this step
Snowkids 8K Certified HDMI 2.1 Cable 10 ft, Non...
$7.98Enable CEC
Turn on CEC (often called Anynet, Simplink, or Bravia Sync) in the TV settings.
Set Audio Output
Set TV audio output to ARC or external speakers, not TV speakers.
Run Sonos TV Setup
Open the Sonos app and run TV setup to re-sync the Beam with the TV.
Confirm Audio Format
Set the TV audio format to Dolby Digital or PCM if Dolby Atmos is not supported.
Quick Solutions
Still having issues? This is usually the deeper cause below.
If this comes back after following these steps, check whether a recent app or firmware update reset a default setting — the fix works, but the setting gets reverted silently.
Use a certified high-speed HDMI cable to avoid ARC handshake issues.
This issue almost always looks more complex than it is — the majority of cases trace back to a single setting, a stale credential, or a default that shipped wrong.
- HDMI cable not ARC compatible
- TV output set to internal speakers
- CEC disabled
- Audio format unsupported
- Beam not set as TV device
Before you go — try one of these (they fix most cases).
Official Manufacturer Manual
Sonos provides official product documentation through their online manual rather than downloadable PDF. Access setup guides, troubleshooting steps, and product specifications for your Sonos Beam (Gen 2).
Source: sonos.com
Need More Help? Sonos Support
Note: The contact information below connects you directly to Sonos's official customer support team, not Trunetto. They can help with warranty claims, device replacements, and advanced technical issues.
