Will Auracast audio stay in sync with my home theater speakers?

Short answer:
👉 It depends on whether both the speakers and the Auracast transmitter receive audio from the same output path.

✅ When audio stays in sync (Recommended)

Auracast audio will stay in sync with your home theater speakers when both are fed from the same digital audio output, such as:

• The same optical (TOSLINK) output

• The same HDMI eARC output

Using a single audio source ensures both systems share the same processing timing, which avoids echo or lip-sync issues.

⚠️ When audio may not be perfectly in sync

You may notice slight delay if your audio is routed through different paths, for example:

• Speakers receive audio directly from an A/V receiver or via HDMI / Wi-Fi

• Auracast transmitter receives audio from the TV’s optical output

Because different devices process audio differently, timing differences may occur.
Some TVs or receivers offer audio delay or lip-sync settings, but results vary by system.

❌ What Auracast does not do

Auracast technology:

• Does not correct processing delays inside TVs or A/V receivers

• Does not synchronize different audio paths (HDMI, Wi-Fi, optical)

• Cannot compensate for mismatched audio routing

Overall synchronization depends on the full audio signal chain.

⭐ Usage recommendation

To achieve the most reliable synchronization:

• Ensure both your home theater speakers and Auracast transmitter receive audio from the same digital output

• Avoid mixing different audio paths whenever possible

Summary:

Auracast sync is determined by audio routing, not by transmission performance.