Tesla has released a new feature as part of its annual holiday software update that lets drivers turn their cars into megaphones. It's more of a fun feature rather than a practical one, but ...

Whether you’re leading chants at a protest or cheering on your favorite sports team, a megaphone can help make your voice heard. The loudest models can amplify your voice to over 100 decibels — loud ...

Megaphones are useful tools for transmitting information faster to a large group or over a large area, especially if the environment is loud. There are many different options and not all megaphones ...