Here is a deep write-up on the ecosystem of Equalizer APO extensions, libraries, and tools that transform it from a simple EQ into a studio-grade audio processor.
If you route your microphone through Equalizer APO, these plugins will eliminate background static, keyboard clicks, and room echo. equalizer apo plugins
For audiophiles and music producers, this plugin applies tailored calibration curves to correct the frequency response irregularities of your specific headphones or studio monitors. Here is a deep write-up on the ecosystem