Recently megaphones are an important device in protests and rallies ..
The sound amplification has played an important role in communication, ..
In 2025, the demand for high-quality megaphones continues to grow ..
As we are going to discuss the megaphone. What is a megaphone?. ..
Megaphone is a device designed to amplify and direct the human ..
In 2025, effective communication remains top priority for teachers ..