Equalizerapo
Equalizer APO is an open-source graphical audio equalizer for Microsoft Windows.
About Equalizerapo
Equalizer APO is a graphical audio equalizer for Microsoft Windows. It supports adding multiple audio filters, working with multiple audio channels, using a preamplification filter, integrating VST plugins, and viewing output in an analysis panel.
Installation requires selecting specific audio devices during setup and rebooting the computer. The site at equalizerapo.com states it has no affiliation with the developer and that its guide is focused on new users rather than advanced power users.
Key features
- Add unlimited audio filters to a configuration
- Process audio in real time with low latency
- Support any number of audio channels
- Integrate VST plugins
- Adjust output with preamplification filter
- View output in built-in analysis panel
Best for: Windows users who want to configure system audio with filters and VST plugins.
Good for
- Lightweight design with low system resource use
- Works with multiple audio channels
- Supports VST plugin integration
Watch out for
- Available for Microsoft Windows only
- Installation requires selecting audio devices and rebooting
- Site states it is unaffiliated and its guide is not for advanced power users
Equalizerapo at a glance
- Website
- equalizerapo.com
- Category
- Software & Utilities › Hardware & Diagnostics
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web, Windows
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Equalizerapo FAQ
How do I install Equalizer APO?
Download and run the installer, select the audio devices to use, complete the installation and reboot the computer.
How do I open Equalizer APO after installation?
After rebooting, open it from Program Files in the App folder or from the taskbar icons.
Which audio devices should I select during setup?
Check your audio output devices first and select specific devices rather than selecting all devices.
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