Help Library: Help Library: How to Connect Your LG Soundbar, Wireless Subwoofer, and Rear Speakers

How to Connect Your LG Soundbar, Wireless Subwoofer, and Rear Speakers

Troubleshooting Home Audio 07/13/2026

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  <p class="description">Plug in your LG soundbar, wireless subwoofer, and rear speakers. They will pair automatically so you can use them right away.<br/>When the devices are connected properly, the LED on the back of the speaker turns green. If the LED turns red or the connection is lost, press the [Pairing] button on the back of the device to reconnect it manually.<br/>To help maintain a stable wireless connection and sound quality, keep the devices close to each other and avoid nearby wireless interference.</p>  
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    <strong class="tip-tit">Note</strong>
    <p class="info-desc">Install the soundbar and wireless subwoofer as close to each other as possible. The closer they are, the better the sound quality may be.<br/>Make sure there are no obstacles between the devices.<br/>To prevent wireless interference, keep the devices away from nearby electronics that cause interference, such as Wi-Fi routers or microwaves.</p>  </div>
  
<h2 class="tit mainName">Why is my soundbar not pairing or stuck in pairing mode?</h2>
  
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<h3 class="name">1. Weak Wireless Signal</h3>
    
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      <p>The wireless signal between the soundbar and the speakers may not be or receiving properly.</p>    </div>
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<h3 class="name">2. Incomplete Pairing or Temporary Connection Issue</h3>
    
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      <p>This can happen if the setup steps were completed out of order, or if there is a temporary communication issue. When this happens, the LED indicator on the back of the speaker turns red.</p>    </div>
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<h3 class="name">3. Signal Interference from Nearby Appliances or Overlapping Router Channels</h3>
    
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      <p>If devices that cause wireless interference, such as Wi-Fi routers or microwave ovens, are placed near the wireless subwoofer or rear speakers, the connection may become unstable or be lost.</p>    </div>
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<h2 class="tit">How to Connect the Soundbar, Wireless Subwoofer, and Rear Speakers</h2>
  
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<h3 class="name">Step 1. Connecting the wireless subwoofer automatically</h3>
    
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      <p>Connect the power cables to the wireless subwoofer and rear speakers, then plug them into a power outlet.</p>      <p>Press the power button on the soundbar to turn it on.</p>      <p>When the devices connect automatically, check that the LED indicators on the back of the subwoofer and rear speakers turn green.</p>    </div>
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<h3 class="name">Step 2. Connecting the wireless subwoofer manually</h3>
    
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        <img src="https://gscs.lge.com:/gscs/support/fileupload/downloadFile.do?fileId=NYXgyaSISdljqHjMx8gQ&amp;portalId=P1" alt="Pressing the [Pairing] button on the back of the wireless subwoofer to connect it to the soundbar"/>
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      <p>Press the power button on the soundbar to turn it off.</p>      <p>Press the [Pairing] button on the back of the wireless subwoofer or rear speakers.</p>      <p>Check that the LED indicator on the back of the speaker blinks green, indicating it is in pairing mode. (If the LED stays red, press and hold the button again.)</p>      <p>Turn the soundbar back on.</p>      <p>When successfully connected, the LED indicator on the back of the speaker turns green.</p>    </div>
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<h3 class="name">Step 3. Still need help?</h3>
    
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      <p> If the issue persists after following the steps above, you can get further support through LG Chatbot on our website or by requesting a technician visit.</p>      <p>(Note: A service fee may apply if your product is out of warranty.)</p>    </div>
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<h2 class="tit">FAQ</h2>
  
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    <dl class="question">
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<span aria-label="Question" role="img">Q.</span> What does the LED indicator color on the back of the wireless speaker mean?</dt>
      <dd class="text">
<span aria-label="Answer" role="img">A.</span> It indicates the speaker’s current connection status.<br/>Blinking green: The device is connecting.<br/>Solid green: Pairing is complete.<br/>Solid red: The device is not connected properly or is waiting to pair.<br/>Off: The power cable is unplugged or there is no power.</dd>
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      <dt class="name">
<span aria-label="Question" role="img">Q.</span> Can I use any adapter I have at home if it fits the soundbar port?</dt>
      <dd class="text">
<span aria-label="Answer" role="img">A.</span> No. Please use only the original AC adapter included with the product. Using an adapter with different specifications may cause the device to malfunction.</dd>
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  <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 Connect Your LG Soundbar, Wireless Subwoofer, and Rear Speakers

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