Features
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. The newly developed polyimide diaphragm is employed to ensure high sound quality.

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. The newly developed polyimide diaphragm is employed to ensure high sound quality.