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.
- Sound Equalizer
- Free • Open Source
- Windows

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.

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.


An audio effect processor for PipeWire and PulseAudio clients.

Welcome to AQUA, a modern platform for audio equalization on Windows. Please note that EqualizerAPO is a prerequisite for our application. Our current features include

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.

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