10 Best Free Equalizer Software for Windows

Reviewed by Sanam Nayab • By Aamir Shehzad • Updated on Apr 21, 2023

Equalization is the way of adjusting the balance between frequency components. Many heavy instruments were used for the equalization process, known as equalizers. But now, this work is relatively easy because many popular equalizer applications are present in the market which can perform such tasks in seconds.

Now you can modify sound effects in different ways sitting on your computer. You can modify audio by making changes to the audio frequencies. You can use equalizer applications to access audio features like Environment, Equalizer, Surround, Base Management, and much more.

What is Equalizer Software?

Equalizer software is used by professional and background music composers to adjust and improve sound quality. They enhance the listening experience of users and in-depth settings to adjust the frequency tones. It also fixes the frequency alterations and provides HD-quality sound.


With them, you can format files on multiple platforms with ten or twenty brands equalizers. Multiple delay features will delay the sound by adding echoes and slow-mo effects. You can use built-in presets to view your progress and edit the audio.

10 Best Equalizer Software

A minimal number of Equalizer programs are present on the Internet because of technological advancement. However, the Best Free Equalizer Software programs are discussed in this article with their feature, pros, and cons. So, check out the best equalizer and apply sound effects to all of your system sounds.

1. Viper4Windows

Viper4Windows is a simple to use program that lets users load custom configurations to their sound card. You can easily tweak the audio parameters for your audio card with the help of the audio processing object technology. It configures suitable sound settings for watching movies, music playback, or freestyle.


It is a driver tweak application, thus enabling you to modify how your PC renders the sound. It runs in the background constantly, applying the preferred configuration. You can modify different parameters according to the type of sound you are playing. Load a different type of configuration when playing music on speakers or when using headphones.

It supports loading preset parameter configuration, but you can make your settings and save them easily. Change the pre-and post-volume measured in decibels. Enable ViPER XBass parameters, IRS Power controller, ViPER XClarity, or Cur Tech+. Control the reverberation according to the room size, density, damping, decay expectancy, bandwidth, or pre-delay.


  • Available for Windows and Android
  • Progress Backup
  • Root Access
  • Bluetooth Connection


  • Improve Listening Experience
  • Free to Use
  • Manageable Multitasking


  • Poor Sound Quality
  • No Live Support

2. Equalizer APO

Equalizer APO is a system-wide parametric equalizer that uses a comprehensive technique of adjusting the audio output on your system. It facilitates you to improve the quality and power of your sound. As it works beneath the hood of your OS, it provides prompt results without leaving traces in your system resources.

During installation, it allows you to select the audio device you need to install the APO to, so you want to know which one you require to enhance. It shows a complete list of connectors and devices’ names and makes you aware of which one supports APO.

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To configure the parameters of the new equalizer, you have to go to the place where Equalizer APO is installed and access a configuration TXT file. It supports an unlimited number of filters. To add a filter to the equalizer, you must write in the configuration file.


  • Unlimited Filters
  • Multiple Channel Working
  • Loe Memory Usage


  • Improved Listening Experience
  • Advanced Functionalities


  • Unstable Installation
  • No Live Support

3. Realtek HD Audio Manager

Realtek HD Audio Manager is an Audio Management application that provides you with many features for altering sound settings in the stereo mix, speakers, microphone, and line-in. It contains a ten-band equalizer set and sound effect options with two main categories: Equalizer and Environment.

Equalizer comprises bands ranging from 31dB to 16k dB. So you can customize your sound effects and save them for further use. It has a new sound effect, Karaoke, which is helpful to maintain the track’s pitch. Push the Reset button to revert to default status. Living Room, Forest, Underwater, and Sewer Pipe are present under Environment feature.

Choose one, and it will create a sound effect in the same environment. Speaker configuration allows you to configure speakers in three modes: Quadraphonic, Stereo, and 5.1 speakers. Use the option to Virtual Surround to choose stereo speaker configuration. Room Correction enables you to set the sound effects according to your room.


  • Audio Drive with DTS
  • Surround Sound Support
  • Audio Configuration


  • Separate Speaker Volume Adjustment
  • Fix Common Error


  • No Regular Updates
  • Complex Interface

4. DFX Audio Enhancer

DFX Audio Enhancer is a straightforward application that helps you to enhance the sound of the online radio, video, and games. It is an audio enhancement application that uses presets to make a high-quality sound. The program supports every application that plays audio streams, from media players to the Internet browser.

The list contains significant players in the industry such as Firefox, Internet Explorer, Opera, Window Media Player, VLC Media Player, Winamp, GOM Player, foobar2000, iTunes, or BS. Player. The program facilitates you to monitor and apply its processing during the installation.

After that, you can start tuning the audio stream by choosing levels for sound ‘Fidelity,’ ‘3D Surround’, ‘Ambiance,’ ‘Hyperbass,’ and ‘Dynamic Boost.’ The Spectrum area shows a frequency VU-meter to check for consistency. Easily switch between headphones and speakers, music types, and speech.

Access the ‘Presets’ menu to pick a collection of predefined settings. The ‘Song Association’ section assists you in matching specific songs with the preset of your desire. Moreover, backup and restore your entire preset library using the Archive sub-menu. The program provides lots of added quality to the audio sound.


  • HD Sound Quality
  • Higher Playback Fidelity
  • Dynamic Boost
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  • Audio Enhancement
  • Booming Bass
  • Library Statistics


  • Costly Premium Version
  • Outdated Interface
  • No Community Base

5. Graphic Equalizer Studio

Graphic Equalizer Studio is a comprehensive program that assists you in analyzing WAV files and changing frequency levels. It has a rough interface around the edges, and the floating Enhancer panel alongside its related presets. It is not a simple program; you have to spend a lot of time setting up its presets and mastering its features.

It contains a few factory presets for noise field, speech level, or subwoofer and different equalizer modes such as full-duplex, input only, or WAV and MP3 player. Moreover, it can make every track sound the same. The application provides a better music experience by adding accurate audio reproduction and consistency.


  • Live Digital Audio
  • Programmable Enhancer
  • Mixer Playlist
  • Batch Restoration Tool


  • Automated Equalization
  • MP3 Tag Editor


  • No live Support
  • Manual Configuration

6. RealTime Equalizer

RealTime Equalizer is a reliable program that can modify audio signals for a good sound experience. It manages sound by adjusting the frequency spectrum during playback. It has a pleasant appearance which contains an array of features. Using the program, you can benefit from 300 channels and equalize audio streams like a professional.

Work with the dynamic equalizer to make sounds that are quality-wise superior. Enhance stereo music by using the spatial resurrection feature, which inserts specific effects for an enjoyable experience. Create and store different sound scenarios using presets and use them in other projects or share with your friends.


  • Audio Signal Modifications
  • Standalone Installation


  • Easy to Use
  • Simple User Interface
  • 300 Multiple Channels


  • No Customer Support
  • Limited Free Version

7. DeCiSoft Equalizer

DeCiSoft Equalizer is a comprehensive and user-friendly program that can make the perfect sound of your audio and video files according to your needs. It is a constant-q equalizer with +/- 18 dB and 32 bands. It is a plugin that automatically saves the last positions of the sliders.

In this way, you do not need to insert your favorite settings repeatedly. It comes in two different plugin options like a standalone installation and Winamp. It has a constant calculator to automatically identify the maintained frequency over some time.


  • Audio Enhancement
  • Advance Tool Management
  • Constant Equalizers


  • Simple Interface
  • Audio Library
  • Separate Audio Adjustment


  • No Live Support
  • Limited Features

8. Redline Equalizer

Redline Equalizer is a straightforward audio equalizer with the best audio signal characteristics. The application has intuitive on-screen controls over steepness, overshoot, or response curves. It provides a set of features for controlling the characteristics of the output audio signals.

It helps you get precision control over the whole spectrum of your audio files. The interface is similar to analog consoles, with multiple nobs to control audio characteristics. It comprises five fully parametric equalizer bands with up to 60dB of boost.

The highpass/lowpass sections carry selectable steepness, and the response curves have adjustable overshoot. The response curves are fully de-cramped, and the phase shift is variable, from 0 to 100%. Redline Equalizer supports automatic leveling and ensures that users homogenize pre- or post-perceived loudness.

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This program’s other essential features are the customizable gain/Q dependency, impact, dedicated equalization functionality, the built-in spectrum analyzer, and zoomable equalizer response display. With it, you can adjust the frequency of the sound to improve its pitch and enhance the listening experience.


  • Linear Analogue
  • Customized EQ Algorithms
  • Adjustable Harmonic Adjustment


  • Smooth Filtering Sweeps
  • Nice Graphical Interface


  • No Live Support
  • Latency Issues

9. Bass Treble Booster

Bass Treble Booster is an effective program that provides you control over the audio frequencies to boost or weaken its output. So you can enhance the audio quality of tracks and efficiently. Increase or decrease the volume using many frequency bands.

It has a significant band equalizer that you can adjust to shape the audio output. You can freely modify low and high frequencies until you get the best result. It facilitates you to save all equalizer arrangements as presets for later use.

After turning the song to perfection, you can export it to WAV, FLAC, or MP3 format. In addition to changing sound quality, you can use the program to convert multiple tracks simultaneously. It has a playback feature that enables you to adjust the sound fluctuation in the whole file.

Moreover, load whole folders, apply an equalizer profile to the tracks, and export them. You can select whether you want to overwrite original tracks or send them to different locations. It supports multiple input formats like FLAC, MP3, OGG, WAV, APE, AAC, AIFF, M4A, and WMA.


  • Multiple Export Formats
  • Enhancing Sound Quality


  • Track Conversion
  • Equalizer Profile


  • Limited Free Version
  • Lack Equalizer Presets

10. MaxxAudio

MaxxAudio is an audio enhancement application that allows the user to improve his listening experience by transforming the stereo systems into crisp surround-sound content. It provides an intuitive set of tools to improve the overall sound performance and enjoy favorite tracks.

You can count bass enhancement, multi-dimensional spatial imaging, full-spectrum equalization, adaptive audio conditioning, intuitive dialog booster, and multi-channel immersion. The stereo-to-surrounding tool employs the UM225/225 audio plugin to get individual audio elements from the content and place them within the surrounding soundscape.


  • Available of Mac
  • Extended Bass
  • 20 EQ bands


  • Audio Enhancement
  • Fantastic Soundscapes
  • Decrease Sound Vibration


  • No External USB Port
  • No Discussion Platform


To conclude, sound equalizers have been quite effective for sound engineers and audio editors to improve sound quality and enhance the listening experience. They have multiple presets to analyze the previous work and manage the file format.

This article has presented the ten best available sound equalizers with their working abilities, benefits, and shortcomings. Users can download their free version to understand the features of this software. You can choose the application that suits your working methodology.

About Author
Written by
Aamir Shehzad
Aamir Shehzad is a tech blogger and content creator who has been writing about the latest trends and developments in technology for over three years. He is a key contributor to Boomzi, providing insights on topics such as software and IoT.
Edited by
Muhammad Mohsin
Muhammad Mohsin is a skilled writer and computer science graduate with a passion for creating high-quality content that engages and informs readers. With a focus on website content, article writing, and blog posts, he is a valuable contributor to Boomzi, covering a range of tech-related topics.
Reviewed by
Sanam Nayab
Sanam Nayab is a dynamic tech researcher and writer passionate about exploring emerging technologies. With a wealth of experience in the tech industry, Sanam has written extensively on topics ranging from artificial intelligence to blockchain. Her insightful analysis and thought-provoking articles have garnered a wide readership, making her a sought-after voice in the tech world.

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