<p>ER-520S Compact Handheld Megaphone<br />Small in size and light in weight the ER-520S megaphone can be easily carried by a single hand. It can also provide a siren tone. Handle and microphone with anti-bacteria treatment improve hygiene and safety during use. The newly developed polyimide diaphragm is employed to ensure high sound quality.<br /><br />• Power Output: 6W Rated / 10W Max. <br />• 8 AA batteries (8 hrs) <br />• Range: 250m (speech) / 315m (siren)<br />• Anti-bacterial treatment for all models (mouthpiece/microphone and handle) <br />• High durability ABS or ASA resin construction <br />• Compact and lightweight <br />• Wide frequency range for enhanced audio quality <br />• Neodymium magnets and Polyimide speaker diaphragms </p>