OBS Studio supports audio filters, but only for older VST2 plugins. If you want to add VST3 effects such as Elgato EQ, compression, or noise reduction, you’ll need an additional plugin. One option is atkAudio.
atkAudio is free, works on Windows, macOS, and Linux, and adds VST3 support directly to OBS Studio. This guide walks through how to install it and start using VST3 plugins.
Download the latest version of OBS Studio.
1) Download atkAudio.
2) Run the installer for your system.
3) If OBS Studio is open, restart it.
1) In OBS, right-click your audio source (for example, your microphone). Select Filters.
2) Select the + button and choose atkAudio Plugin Host.
3) Keep the default name or enter your own.
4) Inside Audio Filters, select Open Plugin Settings.
5) On first use, click Options → Scan for new or updated VST3 plugins.
6) A window will appear with the default VST3 folders. If your plugins are stored elsewhere, you can add your own directories. When ready, click Scan.
7) Pick the VST3 plugin you want from the list. Select Load Plugin near the bottom.
8) Adjust the VST settings to your liking. Once you’re done, simply close it to apply it to your source.
Check out Elgato Marketplace to explore audio effects such as Noise Removal, Equalizer, or presets.
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