Quick answer
- Ensure your Sonos Arc is connected to a compatible TV that supports Dolby Atmos.
- Check that you are using a high-quality HDMI cable; consider using a Certified Ultra High Speed HDMI cable (paid link).
- Verify that the audio settings on your TV are configured to output Dolby Atmos.
- Restart your Sonos Arc and TV to refresh the connection.
Symptoms
You may experience one or more of the following issues when trying to use Dolby Atmos with your Sonos Arc:
- No sound or distorted sound when playing Dolby Atmos content.
- The Sonos app indicates that Dolby Atmos is not available.
- The soundbar is not recognized as a Dolby Atmos device by your TV.
- Audio plays only in stereo or surround sound instead of Dolby Atmos.
Quick checks
Before diving into troubleshooting, perform these quick checks:
- Confirm that your TV firmware is up to date.
- Make sure your streaming service supports Dolby Atmos content.
- Inspect the HDMI connections for any loose cables or damage.
- Ensure that the correct HDMI port on your TV is being used (usually labeled as eARC or ARC).
Step-by-step fix
- Check TV settings: Go to your TV's audio settings and ensure that the audio output is set to "Bitstream" or "Pass-through" to allow Dolby Atmos.
- Inspect HDMI connections: Disconnect and reconnect the HDMI cable from both the Sonos Arc and the TV. Make sure it’s securely plugged in.
- Use the right HDMI cable: If you’re not already using one, switch to a Certified Ultra High Speed HDMI cable to ensure the best performance.
- Restart devices: Turn off your TV and Sonos Arc. Wait for about 30 seconds, then power them back on.
- Update firmware: Check for any available updates for both your Sonos Arc and TV. Update if necessary.
- Test with different content: Try playing a different movie or show that you know supports Dolby Atmos to see if the issue persists.
If it still doesn't work
If you’ve followed the steps above and Dolby Atmos is still not functioning, consider reaching out to Sonos support for further assistance. They may provide additional troubleshooting steps specific to your setup.
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FAQ
Q: What devices support Dolby Atmos with Sonos Arc?
A: TVs with eARC provide the best Dolby Atmos experience with the Sonos Arc. Standard ARC may pass lossy Atmos via Dolby Digital Plus on some TVs, but eARC is recommended for reliable Atmos playback.
Q: Can I use Sonos Arc with older TVs?
A: Yes, but you may not get Dolby Atmos sound if your TV does not support it. You can still use the Sonos Arc for standard surround sound.
Q: Is there a specific HDMI port I should use on my TV?
A: Yes, look for the HDMI port labeled eARC specifically — this provides the best Atmos support. Standard ARC ports may work for lossy Atmos but eARC is recommended for the Sonos Arc.
Q: Does the Sonos app need to be updated?
A: Yes, keeping the Sonos app updated ensures compatibility and access to the latest features.
Q: What should I do if my TV doesn’t support Dolby Atmos?
A: You can still use your Sonos Arc for regular audio playback, but for Dolby Atmos, consider upgrading to a compatible TV.