The **PYLE PRO PMP53IN** 50 Watt Professional Piezo Dynamic Megaphone is a power horn speaker/megaphone capable of projecting your voice in superb clarity — up to a mile! It’s perfect when you need to be heard indoors or outdoors in front of a large crowd. Get your voice to the right level with the variable volume control. Or use the built in siren to get everyone’s attention. You can even plug in an external audio device like an iPod or iPhone using the 3.5mm jack. Pyle’s megaphones are built with a tough housing and are used by the U.S. Army schools sports coaches and more. Let your voice be heard with the **PYLE PRO PMP53IN** 50 Watt Professional Piezo Dynamic Megaphone! 1 buy = 2 megaphones!