About Equalizer APO
Everything you need to know about the free, open-source audio equalizer for Windows
Equalizer APO is an open-source parametric and graphical equalizer for computers running the Windows operating system. It was created by Jonas Thedering and is published under the GNU General Public License version 2.0 (GPLv2). With Equalizer APO you can add an unlimited number of filters to your audio devices and improve the sound they produce. It works with any number of channels and pairs especially well with Room EQ Wizard.
This website is not affiliated with the original developer, and visitors should treat it purely as a guide.
Key Features
- Open Source: Free, transparent code under GPL v2.0
- Unlimited Filters: Add as many audio filters as you need
- Low Latency: Real-time audio processing with almost no delay
- Multichannel Support: Works with any number of audio channels
- VST Plugin Support: Use your favorite third-party VST plugins
- Low CPU Usage: Very small footprint on system resources
License Information
Equalizer APO is distributed under the GNU General Public License v2.0 (GPLv2).
In plain terms, the software is free to use, modify and share, as long as you follow the terms of the license.
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