Are there any GUI based multi-band Parametric Equalizer for system sound?

Hello,

I need to use a GUI based multi-band Parametric Equalizer so that I can fine tune the output sound. I'm not doing any kind of music or multimedia production, just simply like to hear audio content at high grade using an ESI Juli@ sound card.

8+ bands is ideal. I did some googling and only found a plugin, seems like it's only for DAW software interfaces:
It has a GUI interface but I'm not sure how I can attach and use it to the main system sound.

I also saw a terminal based Parametric Equalizer which is not ideal:

Thanks for any advice.
 
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