\SteamLibrary\steamapps\common\PAYDAY 2\mods\saves\ACH Addons\Hitsounds\BF

body / head
hit / critical hit / kill
sounds

Need [ACH Addon]
and set in game.

https://www.bilibili.com/video/BV1yp421Z7VN

2024/4/9
Add hit sounds into kill sounds:
bf1hitbody_kill.ogg
bf1hithead_kill.ogg