Maybe give EQ another try, this time with oratory1990's preset - you can find it here: https://www.reddit.com/r/oratory1990/wiki/index/list_of_presets/

I personally don't like how AutoEQ presets sound, but I very much like how oratory1990's presets sound.

The "new/fresh earpads" profile for Equalizer APO (2021-04-13):

Preamp: -2.6 dB

Filter: ON PK Fc 43 Hz Gain -9.5 dB Q 0.25

Filter: ON PK Fc 90 Hz Gain 2 dB Q 1.4

Filter: ON LSC Fc 105 Hz Gain 5.5 dB Q 0.71

Filter: ON PK Fc 210 Hz Gain 6 dB Q 1.3

Filter: ON PK Fc 2550 Hz Gain -1.6 dB Q 2

Filter: ON PK Fc 3800 Hz Gain 3 dB Q 1

Filter: ON PK Fc 5100 Hz Gain -2.8 dB Q 3

Filter: ON PK Fc 6450 Hz Gain -4 dB Q 4

Filter: ON PK Fc 8300 Hz Gain -3.9 dB Q 4

Filter: ON HSC Fc 10000 Hz Gain -4 dB Q 0.71

No amplifier can reach its full potential without a PS Audio PowerPlant P12.