Download Equalizer APO for free. A system-wide equalizer for Windows 7 / 8 / 8.1 / 10 / 11. 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.

Mar 21, 2025 · Running Equalizer APO requires Universal CRT now, which means that Windows versions before 10 may need additional Windows updates or the Visual C++ Redistributable for Visual Studio 2015 - 2019 needs to be installed (installer provides assistance).

Running Equalizer APO requires Universal CRT now, which means that Windows versions before 10 may need additional Windows updates or the Visual C++ Redistributable for Visual Studio 2015 - 2019 needs to be installed (installer provides assistance).

Welcome to the Wiki of Equalizer APO. This is the documentation for users of Equalizer APO. Developers might also be interested in reading the developer documentation. To begin using Equalizer APO, you should read the tutorials. After that, you can look at more detailed information in the configuration reference. Table of contents:

Mar 15, 2025 · Peace equalizer is a Windows PC interface for Equalizer APO http://sourceforge.net/projects/equalizerapo. Besides an system-wide audio equalizer on your Windows PC, Peace has an effects panel for balance, crossfeeding, delay, etc., a graph window and much more.

This page describes the configuration file format and the commands supported by Equalizer APO. This information is meant for advanced users. To get an introduction to using Equalizer APO or if you need troubleshooting go to the user documentation .

Jul 9, 2024 · Equalizer APO user reviews and ratings from real users, and learn the pros and cons of the Equalizer APO free open source software project.

First, download and install the latest Version of Equalizer APO for your operating system architecture. A configurator will open for the APO setup and you are asked to select devices for which the APO is to be set up.

Version 1.6.8.10 Released 2024-12-22 added: on the Always active tab of the Automation window sets of configurations can be created for easy switching by hotkey or tray menu to another audio workspace improved: an always active configuration can now be set in the configurations list by right clicking on it added: pre amplifying maximum dB which ...

Oct 6, 2022 · Unfortunately, I've found myself faces with one major issue; I can't find a way to apply different effects to different devices. More specifically, I have APO installed on both my audio output (headphones) and my USB microphone.