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.



EQ Sonora is described as 'Sonora sits between macOS and its output, so music, films, games, calls and browser audio all pass through the same ten-band equalizer. There is nothing to set up app by app, and no plugin to install: it is not a VST or an AU, and it needs no DAW' and is a Volume Control tool in the audio & music category. There are more than 25 alternatives to EQ Sonora for a variety of platforms, including Mac, Windows, Android, iPhone and Linux apps. The best EQ Sonora alternative is Equalizer APO, which is both free and Open Source. Other great apps like EQ Sonora are FineTune, EasyEffects, MixDesk X and Peace Equalizer.
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.



Menu bar utility for macOS offering per-app and per-device audio control, app routing to output devices, integrated 10-band EQ with 20 presets, real-time VU metering, volume boost up to 200 percent, quick device selection, persistent settings, and audio muting.


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.




Multi-device audio mixing software for Mac and Windows captures system or application sound, routes up to 16 stereo outputs with per-channel EQ, real-time analyzer, Auto-EQ, CLAP plugin support, per-bus delay, safety limiter, and recallable routing presets.




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.




Manage audio on a per-app basis, set individual volume and output devices, apply a 10-band equalizer or effects, customize headphone profiles, use Magic Boost for small speakers, adjust input or output settings rapidly, and access controls from the menu bar or floating window.




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.


Maximize your Mac's audio output beyond default limits with a simple tool that enhances sound for movies, music, and web content. Improves Skype sessions, boosts music files, and syncs them to iPhone or iPod touch. Ideal for media enthusiasts looking to upgrade their sound experience.







Detailed 10-band equalizer with dedicated bass boost, advanced volume enhancement without distortion, audio limiter, custom and genre presets, and intuitive Material Design UI, compatible with music, streaming, gaming, and all audio devices for consistent sound.




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.


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.
