[9 Fix] Vizio Sound Bar Volume goes up by itself

Users of Vizio sound bars frequently report that the level increases without their input, which is one of the most frustrating aspects of the device.

For some, troubleshooting the Vizio soundbar may seem like an insurmountable obstacle, but ignoring it could lead to a less-than-pleasant experience whether you’re watching TV Simple troubleshooting methods, however, make the process straightforward.

In this post, we will discuss the reasons why the volume of a Vizio Sound Bar increases on its own, as well as the solutions that are available to you.

Why does my Vizio sound bar keep getting louder?

Short answer: Your Vizio sound bar keeps getting louder due to bad cable connections, interference from other devices, a remote control problem, physical damage, a power surge, or an audio setting issue.

The most likely cause of your Vizio soundbar’s ineffectiveness is a malfunction within the device itself. There has been a reported issue with the volume increasing on its own on Vizio sound bars.

Several factors could cause this issue with your Vizio sound bar.

Reason 1 – Faulty cable connections

Reason 2 – Interference from other gadgets

Reason 3 – Issue with remote control

Reason 4 – Physical damage

Reason 5 – Power surge

Reason 6 – Audio setting

Fix: Vizio Sound Bar volume goes up by itself

Method 1 – Press Volume down + Bluetooth

First thing that you can try is to reset the volume settings. For this, you just need to press the volume button down along with the Bluetooth button for 30 seconds.

Several users has confirmed that this worked for them. Try if this works for you.

Method 2 – Restart Soundbar

If the issue just emerged, a simple restart could be the answer. Although it may seem like a no-brainer, often simply restarting devices is all that’s needed to fix a wide range of issues.

  • Step 1- Find your sound bar’s power cord and remove it from the wall outlet.
  • Step 2- Please hold on for a short while, usually between 20 and 30 seconds.
  • Step 3- Reconnect the power source to the wall socket.
  • Step 4- You may power up your sound bar by either pressing the button labeled “power” or by using the remote control.

Method 3 – Set the SoundBar’s Input Correctly

When the volume on your Vizio soundbar keeps increasing on its own, checking to make sure it’s connected to the right input is one of the first places to look. If you want to play audio from a source other than the soundbar’s internal speaker system, you can change the soundbar’s input settings to match.

  • Step 1- Turn on the television and select a program or movie to watch (so there is audio playing).
  • Step 2- To activate the soundbar’s front-facing flashing lights, press and hold the “Input” button.
  • Step 3– This will begin what is known as an “Auto Input Search.”
  • Step 4- The soundbar will cycle through all the inputs until it finds the one the TV is connected to, indicated by the flashing lights on the front.

Method 4 – Use a different cable

If your Vizio soundbar’s volume keeps increasing by itself, swapping out the cable may fix the problem. It’s possible that the cable you’re using to connect your soundbar to the device that you wish to play sound from is broken or not functioning properly, which could result in subpar audio quality or even the absence of sound altogether.

Try switching to a different cable, or trying a new sort of cable altogether; for instance, if you’re using an HDMI cable, try switching to an optical cable or a 3.5 mm audio cable. There’s a chance that the device you’re trying to connect has more than one port, and that one of those ports is specifically designed to work with the cable you’re trying to use.

Ensure that your new cable works with both your soundbar and the device you intend to connect it to.

Method 5 – Reduce Interference

After trying a variety of cables and inputs, if the volume on your Vizio soundbar is still going up by itself, another potential option to explore is getting rid of any gadgets that could be causing interference.

The signal that is sent between your soundbar and the device that you are attempting to play sound from can be disrupted by interference from other devices, which can result in poor audio quality or even the complete absence of sound.

It is recommended that you position any devices that emit a wireless signal away from the Vizio soundbar, as they may produce interference of this kind. Baby monitors, wireless routers, and cell phones are all examples of typical electronic devices that might generate interference.

Method 6 – Update firmware

If your Vizio soundbar is experiencing issues with sound quality or the volume increasing without your intervention, updating the firmware may help. An updated soundbar’s firmware can fix a number of bugs and make it run more smoothly.

Follow these steps to upgrade the software on your Vizio TV soundbar:

  • Step 1- In the Vizio SmartCast app’s settings menu, select “System” and then “Check for Updates.”
  • Step 2– If you want to reaffirm your decision to look for updates, select “Yes.”
  • Step 3– When a software update is available, the soundbar will automatically turn itself off. The new firmware will be instantly downloaded and installed.
  • Step 4- It may take up to 30 minutes for the update to finish. Be aware that while the update is being deployed, your connection from the SmartCast app to the sound bar will be severed.

Method 7 – Deactivate SRS TruVolume

Although using this function generally results in an improved audio experience, there is a possibility that it will interfere with the configuration settings of an external device.

An incompatibility between the source material and the TV’s SRS TruVolume or other advanced audio settings could be to blame.

The following procedures need to be carried out in order for you to disable this function:

  • Step 1- Enter the Main Menu.
  • Step 2- Proceed to the Audio Settings menu.
  • Step 3- Navigate to the Advanced Audio menu.
  • Step 4- Deactivate SRS TruVolume.

Method 8 – Factory Reset

If you’ve tried all of the methods that were presented above, and your Vizio soundbar is still not functioning properly, you may need to conduct a factory reset on the device. If you do a factory reset on the soundbar, all of its settings will be deleted, and it will be returned to the configurations it had when it was first manufactured. This may assist resolve any problems you are having with the soundbar.

Following these instructions will allow you to reset your Vizio soundbar to its factory settings:

  • Step 1- While simultaneously holding down the Volume Down button and the Bluetooth button for a period of five seconds.
  • Step 2- It will flash three times using all 12 LEDs.
  • Step 3- The reset to factory settings is now complete.

Method 9 – Contact support

Please get in touch with the Vizio support team so that they may bring the product in for any necessary repairs if none of the solutions that have been discussed above are successful in fixing the problem.


Final Word

There is no such thing as a perfect Soundbar because they all run on electricity and can experience malfunctions. It is expected, however, that you will be able to resolve problems as they crop up. For this reason, we have compiled some troubleshooting advice to assist you in adjusting the volume on your Vizio Soundbar.

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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.