Why would one have desire to add eq to system if not needed, no inherent requirement audio systems have to have extra eq applied via dedicated eq. Therefore, eq would only be effective purchase for me if eq applied to each recording.
If adding eq for system balance, something in system not meeting your sound preferences. One can achieve system balance through various means, I prefer not doing this through add ons. I associate add ons as band aids, this being the need to repair something upstream or downstream of equalizer.
I suppose if I did have need of eq, I'd be far more likely to apply dsp via something like HQPlayer, rather have it in software vs hardware.