Buy Megaphones / loud hailers with Handheld Microphone Options, benefit from our packages which include Free Batteries and Switchable Sirens and Tones. Great for Sports Days, Gathering Staff during Fire Drills, Security and Carnivals. We sell fire service approved loud hailers with sirens for any emergency. If you need to be heard, amplify your voice with one of our high quality Megaphones that we have for sale.