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


FxSound vs Equalizer APO Comments


- FxSound is Free and Open Source
The best open source alternative to Equalizer APO is FxSound. If that doesn't suit you, our users have ranked more than 25 alternatives to Equalizer APO and 12 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Equalizer APO are EasyEffects, eqMac 2, A.R.I.S.E. Sound Mod and RootlessJamesDSP.
Free and open-source software to boost sound quality, volume, and bass. Including an equalizer, effects, and presets for customized audio.




Tool for PipeWire providing limiter, compressor, equalizer, convolver, auto volume and spectrum analyzer, supporting input/output devices, effect profiles, real-time control, noise reduction, reverberation and integration with various Linux applications.







ARISE puts together sound enhancements like VIPER4Android, Asus Zenfone 3 libraries with DTS effect, Huawei MedaiPad M2 Harman & Kardon sound effects, Huawei P9 sound libraries, Lenovo K3 Note MaxxAudio, LeTv Max 2 Dolby Atmos, Sony LDAC Bluetooth codec etc.

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.



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.

Override Android's default volume steps with custom step counts. Includes 6000+ headphone EQ profiles and graphic equalizer.




PulseAudio Equalizer is a 15 bands system wide equalizer, that means any application that is using PulseAudio, will benefit from the sound improvement.



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




To start off there is really no "free" and/or "open source" alternative to Wavelet and Poweramp EQ that pairs the full DynamicsProcessing API with real audio-visual feedback, and I felt like after using both of those apps among other various EQ apps that...




Floating control enables seven sub-minimum volume levels, down to 30 dB below hardware floor, for finer quiet listening. Drag, minimize, and close overlay as needed; no ads, no account, no internet, open source, and does not interfere with buttons or panels.




It is simple and feels modern.