HiBy MSEB
 

HiBy MSEB (Mage Sound Eight Ball) is a custom proprietary equalizer used in HiBy OS which is on most HiBy and Hidizs daps. They also have an android app.

the exact frequencies of the 10 bands on this equalizer were not known until recently leaked:

MageSound 8-ball:
1 -- Overall Temperature tilt of whole line to treble(cool) or bass(warm)
2 -- Bass extension 70Hz and below
3 -- Bass texture 100Hz (medium)
4 -- Note thickness 200Hz (wide)
5 -- Vocals 650Hz (very wide)
6 -- Female overtones 3kHz (tight)
7 -- Sibilance LF 5.8kHz (medium)
8 -- Sibilance HF 9.2kHz (medium)
9 -- Impulse response 7.5kHz (very wide)
10 - Air 10kHz sloped all the way to 20kHz

https://i2.paste.pics/31e1059c38aec7...79d92a076c.png