Help library: Help library: How to Set Up TV Sound Mode Share on Your LG TV and Soundbar

How to Set Up TV Sound Mode Share on Your LG TV and Soundbar

Troubleshooting TVS/SOUNDBARS 10/27/2026

<div class="content-service-view" itemtype="HowTo">
<p class="description info-desc">
When you connect your LG TV to a soundbar via HDMI eARC or ARC, you can apply the TV’s AI sound mode to the soundbar. <br/>Feature availability depends on your TV’s webOS version and whether
the soundbar supports TV Sound Mode Share.
</p>

<h2 class="tit mainName">Why Is TV Sound Mode Share Unavailable or Not Playing Sound?</h2>

<li>Your soundbar is connected to a standard HDMI port instead of the HDMI ARC port.</li>

<li>Your soundbar does not support TV Sound Mode Share.</li>

<li>Your TV’s webOS version does not support TV Sound Mode Share.</li>
</ul>

<h2 class="tit">How to Set Up TV Sound Mode Share</h2>

<h3 class="name sub-tit">Step 1. Check Feature Support and the HDMI Connection</h3>

<div class="tip-box">
<strong class="tip-tit">Check Your TV’s webOS Version</strong>
<p>On your TV remote, press the Settings button (gear icon) or the Mute button three times in a row.</p>          </div>

<li>Make sure your LG TV was released in 2021 or later and runs webOS 6.0 or later.</li>

<li>TVs released in 2020 or earlier with webOS 5.0 or earlier do not support TV Sound Mode Share.</li>

<li>Check your soundbar’s user manual or specifications to confirm that it supports TV Sound Mode Share.</li>

<li>Make sure the HDMI cable is securely connected to the HDMI eARC or ARC ports on both the TV and soundbar.</li>
</ul>
</div>
</div>

<h3 class="name sub-tit">Step 2. Turn On TV Sound Mode Share</h3>

<li>
For TVs released in 2026 or later (webOS 26 or later): Press the Settings button on your TV remote. On your TV, select All Settings, followed by Sound and Sound Output. Select More Options
next to HDMI ARC Device. Select TV Sound Mode Share, and then set it to On.
</li>

<li>
For TVs released from 2021 to 2025 (webOS 6.0 to webOS 25): Press the Settings button on your TV remote. On your TV, select All Settings, followed by Sound, Advanced Settings, and TV Sound
Mode Share. Set TV Sound Mode Share to On.
</li>
</ul>
</div>

<h2 class="tit">Frequently Asked Questions</h2>

<span aria-label="Question" role="img">Q.</span> How Can I Use a Soundbar That Does Not Support TV Sound Mode Share?</dt>
<dd>

<span aria-label="Answer" role="img">A.</span> You can play TV audio through the soundbar using an optical cable, Bluetooth, or HDMI ARC.</dd>
</dl>
</div>
<p class="mobile-txt">Move left or right to check the contents.</p><p class="help-txt">This guide is based on standard models. The settings menu may vary by model.</p>    </div>

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How to Set Up TV Sound Mode Share on Your LG TV and Soundbar

Why Is TV Sound Mode Share Unavailable or Not Playing Sound?

How to Set Up TV Sound Mode Share

Step 1. Check Feature Support and the HDMI Connection

Step 2. Turn On TV Sound Mode Share

Frequently Asked Questions

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