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How to Pair Lg Soundbar With Subwoofer? A Comprehensive Guide! 

How to pair lg soundbar with subwoofer?. These days, you can easily set up a mini home theater without any hassle. Tech gadgets like soundbars and subwoofers have made it a lot easier.  

Soundbars are long speakers designed to produce clear, impactful sound without taking up too much space. Subwoofers provide deep bass notes to complete the soundscape. When used together, they create a more immersive and enjoyable listening experience than traditional stereo setups.

Homeowners get the following benefits of using subwoofers with soundbars

  • Higher Volume Levels
  • Better Audio Quality
  • More Dynamic Sound
  • Surround Sound Effect

How to Pair LG Soundbar with Subwoofer  - Different Methods  

How to Pair LG Soundbar with Subwoofer  - Different Methods 

Anyhow, it can be a daunting task to connect a soundbar with a subwoofer. Each manufacturer has its own defined methods. We have crafted this detailed guide. The purpose of this guide is to provide a comprehensive guide on how to pair LG soundbar with subwoofer. Let us get into it.  

So, before you begin the connection process, ensure you have all the equipment available. Here you would obviously need these three items:

  • An LG Soundbar  
  • An LG Subwoofer  
  • Optical Cable (Usually comes with the Soundbar)

1: How To Pair LG Soundbar With Subwoofer  for the First Time?  

Mainly there are two methods to connect the Lg soundbar with the subwoofer. Here are both these methods explained:  

Step-by-step instructions on how to pair lg soundbar with subwoofer

Step 1:  

Plug one end of the included optical cable into the “Optical IN” port on the back of the soundbar.   

Step 2:  

Plug the other end of the optical cable into the “TV/Optical OUT” port on your TV or streaming device.   

Step 3:  

Connect the power cord to a wall outlet near your subwoofer, then plug it directly into the back of the unit itself.   

Step 4:  

Take another cable (either included RCA-style cables or an optional HDMI connection, depending on what type of sound system you have) and connect one end to the “Subwoofer Out” port on your soundbar and the other end to the “Audio In” port on your subwoofer.  

Step 5:  

Turn both devices on, and you should be good to go!   

Your LG soundbar and subwoofer are now connected together, allowing you to experience a deeper and richer listening experience.  

2: How to Pair Lg Soundbar With Subwoofer Manually  

The second method might take a bit more time. That’s because, you will be manually connecting the LG soundbar and subwoofer here.  

Step 1:  

Place your LG Soundbar and Subwoofer in the desired area. Ensure they are connected to a power source and any other necessary connections.   

Step 2:  

Locate the wire input jack on the back of each unit. You should see an “IN” or “OUT” label next to each one.   

Step 3:  

Connect one end of an RCA cord (or HDMI cable, depending on your model) into the “OUT” port on the soundbar and plug the other end into the “IN” port on the subwoofer. If you’re using HDMI cables, make sure to connect them from output to input as well.   

Step 4:  

Turn on both the soundbar and subwoofer.   

Step 5:  

Select “Manual” as your connection option from the settings menu on your LG device or remote control.   

Step 6:  

Adjust the volume levels to calibrate the audio output of your soundbar.   

Configuring the Sound Settings   

Configuring the Sound Settings   

Once you have set up the LG soundbar, you can easily control its various settings. For instance, you can also configure audio settings. Here are some simple steps to follow in this regard.  

Step 1:  

Connect your soundbar to your TV using the included audio cable.   

Step 2:  

Turn on the soundbar and press the “Settings” button on the remote control.   

Step 3:  

Scroll down through the list of options until you see “Sound Options.” Simply select this option.   

Step 4:  

You can select a variety of sound modes. Like Standard, Music, or Movie mode. You can manually adjust settings like bass and treble levels. The distance between speakers, and surround sound width in order to customize your audio experience .   

Step 5:  

After you have made your desired sound settings adjustments, press the “OK” button to save your changes and exit the Settings menu.  

Troubleshooting Common Issues of How to pair lg soundbar with subwoofer  

Troubleshooting Common Issues of how to pair lg soundbar with subwoofer  

It is not that tough to connect LG sound bars with subwoofers. Some glitches can occur here and there. Don’t worry; here are some common troubleshooting along with their fixes: 

1: Why is my LG Subwoofer Blinking Green?   

The blinking green light on your LG subwoofer indicates that it is receiving a signal from the audio source. This blinking light also indicates that the subwoofer is in pairing mode and trying to connect to a device. It can be a smartphone, Blu-ray player, or even a laptop. Simply pair your device with the LG subwoofer.   

2: Why is my subwoofer not connecting to my soundbar?  

If your LG subwoofer is not connecting to your soundbar, there may be a few reasons why.  

  • Make sure that all of the cables are securely plugged in  
  • Check for any loose connections.  
  • Also, ensure that the subwoofer is compatible with your soundbar  
  • Double-check that all settings have been properly configured  

3: How do I reset my LG subwoofer?  

It is easy to rest any LG subwoofer. However, there are a couple of methods that you can use to reset your LG subwoofer.  

Method 1  

The first method is to use the subwoofer’s remote control. Most remotes will have a reset button. Pressing this Reset button should restore all settings to their default values.   

Method 2  

Another method for resetting an LG subwoofer is by unplugging it from the wall outlet and leaving it unplugged for several minutes before plugging it back in again. This should also restore all settings to their original state.   

Technical glitches could be the main reason why your subwoofer won’t work. Here are some easy ways to fix it.  

4: Why is my subwoofer not working?

  • Check your wall outlet; it should be properly functioning  
  • Check for any loose connections  
  • Is your subwoofer paired to a device?  
  • Wireless interference can also cause this issue  

5: Why is the red light flashing on my LG sound bar?  

The red light flashing on the LG soundbar indicates that it is not connected to any device. So, simply connect your soundbar to any smartphone, laptop, or Pc, and this light won’t blink any further.  

6: Why Is My Subwoofer Flashing Blue?  

The blue light on your subwoofer is usually an indication that the device is in pairing mode. This means that it has been disconnected from any other audio device and is ready to be connected to a new one.  

In some subwoofers, blue light also indicates that the pairing went unsuccessful. So, you will have to pair it again.  

7: Can you connect the subwoofer directly to the speaker?  

Well, the answer here really depends on the type of subwoofer you have. Some subwoofers allow users to directly connect it to speakers. In comparison, some manufacturers don’t recommend this type of connection.  


So, now you know how to pair LG soundbar with subwoofer. In reality, it is not tough at all. Here, you get multiple way to connect LG Subwoofer to Soundbar.   

You need to use an audio cable to link the soundbar and subwoofer for a wired connection.  

Whereas for a wireless connection, you need to use a wireless adapter. This adapter usually plugs into the “Sub Out” port on the back of the soundbar and then pairs with your subwoofer via Bluetooth or Wi-Fi.  

Note that you can also face some troubelshhotig issues. Therefore, we have also covered almost all common technical glitches for your ease. So, with this guide, you should be able to easily connect a subwoofer with a soundbar.  

Highlights For How to Pair Lg Soundbar With Subwoofer Manually?  

1: How do I connect my LG soundbar to my TV?  
Connecting your lg sound bar with wireless subwoofer to your TV is easy. All you need to do is plug the digital optical cable into the TV and then connect it to the soundbar’s input port. Then, turn on both the TV and soundbar and enjoy a better audio experience.  

2: How can I control my soundbar without a remote?  

One option is to use an universal remote, which can be programmed to control your soundbar. You may also be able to connect a compatible device like your smartphone or tablet to the soundbar and use it as a remote controller.  

3: Why won’t my LG subwoofer connect to my soundbar?  

It is possible that your smart device and pair lg soundbar to subwoofer  is not compatible. If you have checked for compatibility and ensured that all cables are securely connected, try resetting both devices. This may help resolve any issues.  

4: How do I manually pair my LG subwoofer?  

To pair your lg Bluetooth subwoofer manually, press the Bluetooth button on the subwoofer to enter pairing mode. On your device, search for and select the LG subwoofer from the available devices list.      

5: How do I connect my phone to my LG sound bar via Bluetooth?  

To connect your phone to the lg Bluetooth subwoofer via Bluetooth, make sure that Bluetooth is enabled on both devices. Then select ‘LG Sound Bar’ from your device’s list of available connections. You should then be connected and ready to use.  

6: How do I turn on LG sound Sync?  

To turn on LG Sound Sync, press the “FUNCTION” button on your remote and then select the “LG Sound Sync” option. Make sure that your TV is set to an external speaker system.  

Frequently Asked Questions

Q: Is there an app for LG soundbars?  

Yes, LG sound bars can be connected to the LG sound app. This app allows you to set different audio profiles and change similar settings. 

Q: Do I need HDMI ARC for the soundbar?  

Though it is not necessary. If you have an HDMI ARC port, you can easily stream high-quality music. Having an HDMI Arc port is a plus.  

Q: Where is the reset button on my soundbar?  

Some sound bars have reset buttons located on their backside. All sound bars have a dedicated reset button.  

Q: What are the benefits of pairing soundbars and subwoofers?  

  • Increased Volume  
  • Better Audio Quality  
  • More Dynamic Sound  
  • Room-filling Audio  
  • More Even Sound Distribution  

Q: How do I stop my subwoofer from annoying Neighbors?   

Simply place your subwoofer in a place where it doesn’t produce sound levels that could harm anyone in your surroundings. Ensure that you don’t set the volume at maximum levels.  

Q: Which sound is harmful to human ears?  

Exposure to loud or excessive sound can cause damage to the sensitive cells in the inner ear and even lead to hearing loss. So, don’t always listen to music at maximum sound levels.  

About the author

Emily Reynolds

Tech-savvy writer focused on computer accessories. Provides comprehensive reviews and insights on headphones, soundbars, speakers, monitors, and more. Empowers readers to make informed decisions and enhance their computing experience.

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