It's not only a matter of having better hardware (though it certainly helps a lot). For example, Apple does a lot of software tuning and tweaking to make the Macbook speakers sound as good as they do. And it's been fascinating to read the extent of work Asahi Linux had to do to recreate the software portion of Macbook's audio stack.

https://asahilinux.org/docs/sw/audio-userspace/ https://github.com/AsahiLinux/asahi-audio