Sound Equalizers

Free and open-source software to boost sound quality, volume, and bass. Including an equalizer, effects, and presets for customized audio.

Equalizer APO is a parametric / graphic equalizer for Windows. It is implemented as an Audio Processing Object (APO) for the system effect infrastructure introduced with Windows Vista.

Easy Effects is an advanced audio manipulation tool. It includes an equalizer, limiter, compressor and a reverberation tool, just to mention a few. To complement this there is also a built in spectrum analyzer.

A headphone-specific EQ for Android with thousands of presets.

An implementation of the system-wide JamesDSP audio processing engine for non-rooted Android devices.

It doesn't use the Android builtin Equalizer and has a lot more functionalities.

Peace equalizer is a Windows PC interface for Equalizer APO . Besides an system-wide equalizer on your Windows PC, Peace has an effects panel for balance, crossfeeding, delay, etc., a graph window and much more.

SteelSeries GG is a platform that helps you connect with your gear and people. It bundles all the SteelSeries apps into one simple platform. Use it to clip, tune, set up, and share your gaming moments. Some of the apps that you can use: sonar, moments, 3D Aim Trainer, engine.

10-band audio equalizer, bass boosting, and volume enhancement with limiter, genre-specific presets, and intuitive interface for all audio devices and apps.

System-wide Audio Equalizer for Mac OSX.

Enhance your Mac's sound with a simple tool to boost volume beyond default limits, improving audio quality for videos, music, Skype, and more.

A free automatic mp3 volume normalizer. MP3Gain analyzes and adjusts mp3 files so that they have the same volume. There is no quality lost in the change because the program adjusts the mp3 file directly, without decoding and re-encoding.

Breakaway Audio Enhancer dramatically improves the quality of the listening experience by digitally remastering audio in real-time with the same technology used by the pros in the music and broadcast business.

An audio effect processor for PipeWire and PulseAudio clients.

Graphical user interface front end supporting MP3Gain engine which analyzes and losslessly adjusts mp3 files to a specified target volume. A complete re-creation (made in QT4) of the original MP3Gain GUI, however it can be run on more platforms.

Graphical User Interface (GUI) for MP3Gain, VorbisGain and AACGain (enables you to modify the loudness level of mp3, ogg, and mp4 files) / Frontend for MP3Gain.

MP3Gain Express is a basic port of MP3Gain to Mac OS X. It allows you to analyze or apply track gain to a list of MP3 files. Anyone who has used the Windows UI for MP3Gain should find this one familiar, as it was designed to look similar to...

EQ any audio you find on the web, live! Crank the bass, dim the highs, up the vocals: all with Ears!

Audio enhancer with real-time equalizer, multiple effects like bass boost, reverb, and noise suppression. Compatible with Spotify, YouTube, and voice-overs.

NOVA is a parallel dynamic equalizer. Appearing in the familiar layout of a parametric equalizer, each band also includes a full featured dynamics section allowing the processor to cover an impressively wide range of applications.

Audio Normalizer - Mp3 Gain for Mac provides a batch normalizing feature that helps users to balance all the music and audio files to equal volume in the most popular audio formats like MP3, M4A, WAV, AAC, FLAC, WMA, AIFF, AMR, AC3, MP2, OGG, M4R, AU etc with high accuracy and...

PC Equalizer is a Graphical User Interface for "Equalizer APO" which is a parametric / graphic equalizer for Windows.

iVolume calculates the volume perceived by the human ear for each song of your iTunes music collection. Thereby it gets the most out of the approved Replay Gain algorithm and adjusts your songs accordingly.

MP3 Normalizer improves the quality of MP3 files. It amplifies too quiet audio or decreases the volume of too loud files or their parts automatically. It also smoothes sound peaks and clicks in MP3 tracks.

Normalize is a command line utility used to normalize the audio levels of audio files.

Audio DSP effects build on Android system framework layer. This is a repository contains a pack of high quality DSP algorithms specialized for audio processing.