Fix : LG Wireless Subwoofer Not Working

If you’re looking for wireless subwoofers, go no further than LG, a well-known name in the home theater industry.

Yet, in spite of the company’s reputation for producing high-quality goods, there is a possibility that some customers will have problems with the LG wireless subwoofers they purchased.

The inability of the subwoofer to produce sound is one of the most frequently mentioned issues with the product.

If you are having this problem, there is no need for an alarm! You can get your subwoofer back up and running by diagnosing the issue and completing the various troubleshooting methods that are available to you.

LG wireless subwoofer not working

This post addresses all of your worries, so please read it. In addition to this, you will obtain the absolute remedies to your problems, which you had been searching for in other places. Thus, stay till the very finish.

Why does my LG wireless subwoofer cutting out

Short answer: Your LG wireless subwoofer stops working because of wireless interference, a dead battery, a distance between the soundbar and the subwoofer, the subwoofer being turned off, a problem with the hardware, or overheating.

Having a wireless subwoofer cut out in the middle of a movie is a bummer, even if the sub is otherwise a great addition to your home entertainment setup.

There are a few primary causes that could be responsible for your LG subwoofer not functioning at all. People have a tendency to overlook them since they are relatively simple or what you may call small. And must therefore deal with this bothersome issue.

Nevertheless, first and foremost, you should be aware that this is an extremely widespread and highly unpredictable issue. So, you should never believe that you are the only person struggling with this issue.

Reason 1 – Wireless Interference

Subwoofers can be forced to shut down when they are placed near certain other electronic equipment, such as microwaves.

Having other wireless gadgets in the house is a common reason for your LG wireless subwoofer cutting out. Your subwoofer may interfere with other wireless devices such as Wi-Fi routers, cordless phones, and baby monitors that use the same frequency band.

Reason 2 – Dead battery

A failing battery is yet another potential reason why your LG wireless subwoofer suddenly stops working. If the power source for your subwoofer is batteries, there is a chance that the batteries are running low or that they need to be replaced. If the subwoofer you have is powered by batteries, you could try changing them with brand-new ones.

Reason 3 – Distance from Soundbar

The physical separation of your soundbar and subwoofer is another factor that can be triggering the LG wireless subwoofer to malfunction. The subwoofer may cut out if it is too distant from the soundbar, as the signal may be too weak or unreliable.

Reason 4 – Subwoofer is off

In the event that your LG wireless subwoofer does not turn on at any point, the subwoofer can continue to be turned off. In such cases, no matter how hard you try, it will never be successful no matter what.

Reason 5 – Hardware issue

Subwoofers, like all electronic devices, are susceptible to malfunction through normal use and wear and tear. Subwoofers can perish or fail within the first few years of operation, especially if they are heavily utilized, due to their complex construction and cheaper subwoofers’ use of low-quality materials.

Reason 6 – Overheating

Overheating is another common reason your sub won’t pair. It’s possible that, after prolonged, intense use, subwoofers will become unnecessarily overheated.

Because of this, the sub may lose functionality in some areas. If you think overheating is to blame, try moving the sub to a cooler, less crowded spot and cutting back on your playing time.

Fix: LG wireless subwoofer not working

Establishing a connection between your subwoofer and your soundbar should be a simple process. When dealing with LG, though, the going might get tough. Most LG subwoofers will simply not connect if certain requirements aren’t met.

Method 1 – Check the Power

Loose power connections are an inconspicuous but random cause of subwoofer failure. The power indicator on the subwoofer will not blink if the power connection is not secure and snug.

While troubleshooting a malfunctioning LG wireless subwoofer, the first thing you should examine is the device’s power supply. Check to see if the subwoofer is plugged in and if the outlet in which it is positioned is operational.

If the outlet is not working, you can test whether or not it is working by connecting a different device to it. Attempt to restart the subwoofer by first unplugging it and then reconnecting it if the outlet is in good working order.

Checking the battery life of the subwoofer is another important step to take. If the LG wireless subwoofer you own contains a battery, you should make sure that it is fully charged and, if the batteries are old, you should replace them.

Method 2 – Try Pairing again

When a subwoofer breaks down, a common contributing factor is a mismatched pairing. Due to the advanced nature of some subwoofers, most users have trouble establishing a connection with them. Hence, in order to resolve this matter:

  • Step 1– You should start by disconnecting the subwoofer from power and the soundbar from its power source.
  • Step 2– Put the subwoofer’s power on first, followed by the other device you’re using in tandem with it. Both the subwoofer and the other gadget need to be plugged in for the system to work properly.
  • Step 3- To enable Sub to link with a nearby device, press the Pairing Button. A white light on the sub will begin quickly blinking once the pairing mode is activated.
  • Step 4- The soundbar needs to be in pairing mode as well.

Method 3 – Check for overheating

The subwoofer warning light will become red when there is a problem with the airflow. The subwoofer may stop functioning altogether if it is not allowed to ventilate. So if there isn’t enough airflow, the subwoofer will overheat. And it won’t work right, either. Getting rid of this issue entails

  • Step 1– Verify that the subwoofer’s air vents are not obstructed in any way. You should get rid of whatever it is, whether it’s dust or something else.
  • Step 2– Put the subwoofer somewhere with plenty of ventilation.
  • Step 3- Keep from using it for too long.

Method 4 – Check Menu Settings

This mistake can occasionally be traced back to a misconfiguration of the Menu Settings. This also occurs accidentally at times. Hence, make sure that you verify the settings of the subwoofer as well as the device that you are pairing it with.

It is imperative that both the subwoofer and the volume be brought up to their maximum settings. If your soundbar or audio receiver has a separate volume control for the subwoofer, you should make sure that it is cranked all the way up as well.

To get the most out of your subwoofer, you must connect it to the correct input. And for the input device, you should look at the handbook for it and make sure that the settings are adjusted correctly.

Method 4 – Update the device

The subwoofer may need a firmware update to function properly. Check for any available firmware updates and install them if necessary.

Method 5 – Contact support

Contact support

If you’ve attempted all the measures outlined above and your LG wireless subwoofer is still not functioning properly, it’s time to get in touch with customer assistance. You can find information regarding customer assistance either on the LG website or within the user manual that was included with your subwoofer.

When you get in touch with customer support, you need to make sure that you give as much information as you can regarding the problem that you are having.

How do I reset my LG wireless subwoofer?

If you have already tried troubleshooting, but your subwoofer is still not functioning properly, you should immediately try to reset the device! To accomplish this,

  • Step 1- First, unplug the subwoofer from its power supply and then turn off the device.
  • Step 2- Make sure the soundbar is turned on.
  • Step 3– While you are holding down the INPUT button and the VOLUME (-) button, press the POWER button. You have to have this done at the same time as everything else.
  • Step 4– The display will now show a RESET option once this process is complete. Just give it your best shot.
  • Step 5– Power must be cut off immediately, and this state must be maintained for the next thirty seconds.
  • Step 6- Reconnect the subwoofer and the soundbar after you have plugged in the power source.


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Q1- How do you diagnose a subwoofer problem?

Lightly tap the cable’s central conductor at the opposite end. A thumping sound should emanate from the subwoofer if it is turned on and set up properly. If there is no low-frequency bass, the subwoofer may need to be serviced.

Final Words

Don’t freak out if the wireless subwoofer that came with your LG television doesn’t function! You have a few options to choose from when it comes to troubleshooting and fixing the problem.

Checking the power source and the connections is the first step; after that, you can continue on to reconfiguring the subwoofer and checking the settings. If none of these methods are successful, you will need to get in touch with customer service for additional assistance.

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Technical writer and avid fan of cutting-edge gadgetry, Abhishek has authored works on the subject of Android & iOS. He's a talented writer who can make almost any topic interesting while helping his viewers with tech-related guides is his passion. In his spare time, he goes camping and hiking adventures.