Virtually unlimited number of filters and works on any number of channels!

Equalizer APO (32-bit)

Equalizer APO 1.1 (32-bit)

  -  6.41 MB  -  Open Source

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Equalizer APO 1.1 (32-bit).


For those interested in downloading the most recent release of Equalizer APO (32-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • Equalizer APO 1.1 (32-bit) Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    Equalizer APO 1.1 (32-bit) Screenshot 1
  • Equalizer APO 1.1 (32-bit) Screenshot 2
  • Equalizer APO 1.1 (32-bit) Screenshot 3

What's new in this version:

- Added: Analysis panel which shows the calculated frequency response of the filters for the selected device and channel
- Improved: The Configuration Editor now saves most of its state (window positions, open files, etc.) when closing and restores it when run again
- Improved: GUIs of GraphicEQ and Copy command can now be resized
- Improved: GraphicEQ GUI can now be zoomed separately in X and Y direction using mouse wheel on rulers. Also now shows values at mouse position
- Fixed: The GUI for the Copy command was behaving incorrectly when channels were selected by number instead of name
- Fixed: When the processing caused delay (e.g. via Delay command), the remaining audio was not output when the input signal became silence (e.g. pausing a music player), but only when the silence ended
- Fixed: The checks for missing registry values in Configuration Editor/Configurator should now be sufficient to reanimate E-APO after an OS upgrade. Also the Configurator did not launch when accepting the question in the Configuration Editor with UAC enabled
- Fixed: Original APO was not released when E-APO was shutting down, leading to a memory leak