📢LautsprecherA loudspeaker. Means announcements, broadcasts and shouting. Use it for news and announcements.
🔊Lautsprecher mit hoher LautstärkeA speaker at high volume. Means loud, party and volume up. Use it for parties and "turn it up".
🔇durchgestrichener LautsprecherA muted speaker. Means mute, silence and quiet. Use it for meetings and "shhh" moments.