It *SHOULD* be.
Here's a link to Samsung's Members UK & some technical information from another site.
There's not much recent information about the recent Samsung devices.
There's also some built-in hearing enhancements in the device itself, but I'm not sure if that's what you want?
Dialer > Settings > Hearing aid compatibility.
Settings > Accessibility
Hi, yes and please check below link for more information on usage of hearing enhancement features on your Galaxy phone https://www.samsung.com/ca/support/mobile-devices/galaxy-phone-hearing-enhancements/