Sound Lock for Windows

  • Free
  • In English
  • V 1.3.2
  • 4
  • (154)
  • Security Status

A free tool to modify your PC’s volume settings

Sound Lock is a free utility software that can limit the sounds coming from your Windows PC. It’s easy to install and has a user-friendly interface. The application lets you ‘lock’ the volume of your PC to the desired level so that when you’re watching a movie or show with loud playback sounds, they automatically get adjusted to the preferred levels. Additionally, the software ensures that quieter sounds remain audible

As a lightweight application, Sound Lock doesn’t take up too many system resources. It works fast and lets you adjust the settings of up to 14 channels. The software also sits comfortably in the system tray and lets you create dedicated volume settings for different output devices. Compared with alternatives like Volume Control, VolumeLock, and Speaker Locker, Sound Lock is easy-to-use

What is Sound Lock?

Sound Lock is a simple utility tool that you can use to modify and personalize the volume of your computer. It’s a program that can help you adjust the volume such that the loud scenes in a movie or a show aren’t too loud, and the quiet scenes aren’t too quiet. It helps you in adjusting the volume of your PC to a level where you can comfortably hear dialogs without having the loud background sounds disturb others. 

Once you complete the Sound Lock download, you will be able to use it quickly and without rummaging through several applications. The software sits on the system tray, allowing you to set and modify the maximum volume. When you start watching a program, the software will continually monitor the audio to ensure that the sounds don’t go above the fixed volume that you’ve assigned. 

This means that you will easily be able to hear the low-volume sounds clearly, while the software will automatically turn the volume down whenever there are loud sounds. Additionally, Sound Lock is lightweight and comes with various configurable settings that you can tweak to your preference. 

Is Sound Lock user-friendly?

One of the best things about Sound Lock is that it is easy to use. The software features a user-friendly interface that lets you limit the audio by dragging the limit reference bar to your preferred level. After this, whenever the Sound Lock application is active, it will automatically change the level of the output to fit the set parameters. 

In case you want additional settings, you can click on the Settings icon available. From here, you will be able to configure different channels and get the sound that you desire. Additionally, you can edit the settings on your computer, so that the software gets activated the moment you open your Windows computer. 

What are the features of Sound Lock?

Sound Lock is advanced audio software that comes packed with a range of features needed to update the volume of your Windows PC. Once you open the dashboard, you will be able to adjust the volume of your computer by different channels. You can update up to 14 channels, thereby ensuring smooth audio even when listening to loud sounds. 

Apart from modifying the output of your desktop’s speakers, Sound Lock download also lets you modify the sound limit of every output device connected to your computer. This means that the software will work on connected headphones and speakers. Once that’s done, you will be able to modify the playback volume of movies, shows, and games regardless of the output device. 

Additionally, the software comes with various configurable settings that you can adjust as per your preference. The software lets you select the preferred filtering option - channel or master, and update different parameters for different output devices. Moreover, the application can run on top of other applications without much effort. 

Is Sound Lock available for free?

Sound Lock is a free application that works well on all Windows versions. It’s so lightweight that it requires less than 4MB RAM. The software lets you drag the bar to the desired level and then automatically adjusts the output as per the fixed volume. It also lets you update the settings of up to 14 channels, including the master channel. Furthermore, you can use the tool to adjust the volume of specific channels or devices. 

Should I download Sound Lock?

If you’ve ever wanted an application that could lower the volume of loud scenes while ensuring that the quiet scenes remain audible, then download Sound Lock. It’s a handy utility tool that can limit the volume of playback by detecting loud noises and lowering them to the desired level. It also provides various features that can help you adjust the volume of different channels and set dedicated output levels for different devices

Limit the sound loudness level in real time.

Sound Lock allows you to limit the sound output level of your playback, and it does this by detecting the loudness of playback and decreases it to the level you set. This way you no longer have to be frustrated by the loud action scenes or soundtrack going through the roof. To achieve this goal effectivly, Sound Lock adjusts the system volume per channel (up to 14 channels), and generates smooth sound output throughout the playback. It actualy turns the volume down for you during the loud scenes and winds it back up after they finish, so you can continue to watch the movie without having to adjust the volume manually.

The controls provided allow you to easily set the sound output limit by draging the bar to the desired level.

Sound Lock works in real time by adjusting the system volume per channel (up to 14 channels), and generates smooth sound output throughout the playback. It is compatible with all sorts of audio/video software as it works on the level of the operating system.

Users who watch movies at night and are annoyed by loud bursts of sounds. With Sound Lock you no longer have to be frustrated by the loud action scenes or soundtrack going through the roof.


  • Free to download and use
  • Lets you lock the volume to avoid loud sounds
  • Adjusts the volume for different output devices


  • Occasional crashes

Older versions

Program available in other languages

Sound Lock for PC

  • Free
  • In English
  • V 1.3.2
  • 4
  • (154)
  • Security Status

User reviews about Sound Lock

  • Andrey K.

    by Andrey K.

    While Sound Lock works really well in lowering sound, for some reason every so often it bugs out and resets my input and output on discord, thus not a More

  • Arjun Bk

    by Arjun Bk

    I dont think it works on bluetooth speakers. I am trying to find the solution as of now.

  • Ahmad ElGamal

    by Ahmad ElGamal

    Oh yes.. Absolutely I would recommend this software. I wonder how I never searched for such a software earlier! It solved an ancient issue with the fl More

  • Rick Martin

    by Rick Martin

    I think it is a fairly good product but it needs some refinement. I would be happy to give more advice if you let me beta test my suggestions. I would More


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Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.