hei welcome at the 
forum !
Can you give the output of this:
inxi -Aa no no no 
inxi -Aaz
better this thanks to @keybreak we will do z and not 
again to forget about…
We use Pipewire on actual installs, alsa would not need to be touched for a working audio system it should run fine without any setup. As Pipewire handles it for the user.
Check installed packages:
yay -Qs pipe
yay -Qs pulse