now 24 bit audio is supported with oneui 4.1 or higher when using galaxy buds 2 pro.
But in Poweramp app, audio file are processed to 16 bit and then to 24 bit for output even with hi-res output.
sorry for my poor english.
Poweramp build 911-play
Preamp: -6.0 dB
Filter 1: ON PK Fc 27 Hz Gain 3.0 dB Q 1.60
Filter 2: ON PK Fc 65Hz Gain -1.7 dB Q 1.60
Filter 3: ON PK Fc 216 Hz Gain 4.9 dB Q 1.80
Filter 4: ON PK Fc 4400 Hz Gain -3.9 dB Q 4.45
Filter 5: ON PK Fc 6600 Hz Gain -4.5 dB Q 3.00
Filter 6: ON PK Fc 11000 Hz Gain -6.0 dB Q 4.39
Filter 7: ON HS Fc 12629 Hz Gain 5.8 dB Q 1.50
Filter 8: ON LS Fc 80 Hz Gain 3.0 dB Q 1.00
Filter 7 & 8 will be treated as PK NOT HS or LS.
Reference: https://sourceforge.net/p/equalizerapo/wiki/Configuration reference/