Function:
A megaphone is a portable, cone-shaped device used to amplify the human voice or other sounds, making them audible over a greater distance.
Features:
Modern megaphones, like the one pictured, are typically electronic and battery-powered, featuring a microphone, amplifier, and loudspeaker. They often include functions like recording, siren alerts, and adjustable volume control.
Usage:
Megaphones are commonly used in various settings, including public speaking, crowd control, sporting events, and emergency situations.