...://sourceforge.net/projects/peace-equalizer-apo-extension/ the popular interface for Equalizer APO available here on SourceForge.
Select your eq configuration and use Vibe to create an impulse response file. Then use this file in any app with convolution filtering including Equalizer APO. It filters (equalizes) the audio of this app. For instance, HQ Player 4 Desktop is such an app.