I've found some threads on how to install a system-wide equalizer but they are not working.
i'm guessing they dont work well with kmix or something.
And I've seen at least one that stated their instruction is not for KDE.
I'm a couple hours into this now and ready for a more experienced Ultimate Edition pro to suggest the right thread to follow.
I'm running 32bit UE23 with KDE desktop on a P5KPL-CM which has a VT1708B