📢haut-parleurA loudspeaker. Means announcements, broadcasts and shouting. Use it for news and announcements.
🔊volume des enceintes élevéA speaker at high volume. Means loud, party and volume up. Use it for parties and "turn it up".
👆main avec index pointant vers le hautA backhand index pointing up. Conveys "up there", attention, or choosing someone.
☝️index pointant vers le hautAn index pointing up. Conveys "number one", attention, or an important point.