A siren is a loud noise-making device that is mounted in a specific location. Mechanically, they are single tone and driven by electric motors with a rotor attached to the shaft. There are different types of Motor Sirens, including electronically driven speakers are provided by MEBA, a leading online store. They are mostly used for ambulances, police cars, and fire trucks. All the motor sirens are varied with their exclusive tone, or timbre. Different sirens produce different sound waves and you can choose from a wide range of MEBA’s sirens online, available at affordable prices.