Pyle - Pro 50 Watts Megaphone W/Siren (PMP50)Megaphone Speaker - PA Bullhorn with Siren Alarm Mode & Adjustable Volume Control.Features of Pyle - Pro 50 Watts Megaphone W/Siren (PMP50) Ergonomic Grip & Light-weight: This portable megaphone with siren is amazingly lightweight and has been fitted with an advantageous conveying strap. It comes with ha..