This mod adds two new blocks: the announcer and the speaker.
The announcer plays the sound you input to surounding players, as long as it is powerd.
If you place a speaker within 50 blocks of an announcer, the sound will be played at the speaker instead.
This also works with multiple announcers playing at the same speaker and one announcer playing to multiple speakers.
this mod is currently verry buggy, because it is my first mod, its only used on our server, which runs a custom data pack and only used in this modpack:
https://www.curseforge.com/minecraft/modpacks/shieldbreak-modpack
If I have enough time I might update it, but at the moment Im happy to enjoy some free time.