The latest version of MathAudio Headphone EQ supports export to Equalizer APO. Free version for Foobar2000 is available at http://mathaudio.com
Features:
- Helps to detect and compensate for the unwanted resonances in high-quality headphones and earphones.
- Includes a test signal generator.
- Supports up to 99 compensating filters.
- Supports individual correction of left and right channels.
- Supports undo/redo operations.
- Supports full range of sample rates from 44,056 kHz up to 384 kHz.
- Supports export to Equalizer APO (Windows). This feature allows you to use the Headphone EQ filter with YouTube, Spotify, Netflix, etc. Simply click the "Export to Equalizer APO" button (which is present in the Windows versions of the plug-in) to save the 'config.txt' file. Then copy that file to the Equalizer APO 'config' folder which is usually located at C:\Program Files\EqualizerAPO\config
Read more at http://mathaudio.com/headphone-eq.htm
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Equalizer APO already supports VST plug-ins, so the "Export to Equalizer APO" button is not necessary. Headphone EQ VST can be downloaded from https://mathaudio.com/download.htm
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
The latest version of MathAudio Headphone EQ supports export to Equalizer APO. Free version for Foobar2000 is available at http://mathaudio.com

Features:
- Helps to detect and compensate for the unwanted resonances in high-quality headphones and earphones.
- Includes a test signal generator.
- Supports up to 99 compensating filters.
- Supports individual correction of left and right channels.
- Supports undo/redo operations.
- Supports full range of sample rates from 44,056 kHz up to 384 kHz.
- Supports export to Equalizer APO (Windows). This feature allows you to use the Headphone EQ filter with YouTube, Spotify, Netflix, etc. Simply click the "Export to Equalizer APO" button (which is present in the Windows versions of the plug-in) to save the 'config.txt' file. Then copy that file to the Equalizer APO 'config' folder which is usually located at C:\Program Files\EqualizerAPO\config
Read more at http://mathaudio.com/headphone-eq.htm
I can't find out "Export to Equalizer APO" button from Headphone EQ Window. How can I use this feature? I use Version 1.3.4 for Foobar2000.
Equalizer APO already supports VST plug-ins, so the "Export to Equalizer APO" button is not necessary. Headphone EQ VST can be downloaded from https://mathaudio.com/download.htm