Play any roblox sound file and everyone else nearby can hear it! Instructions are given in game. Press the boombox button to use it. On the roblox website, go to 'Create' then 'Library' then 'Audio.' Find a sound file and copy the number at the end of its link. That is its ID. Press the boombox button and enter the number. Price changed to 225 from 350R on 24/11/2021.