Shoulder megaphone having an ext. mic input, aux input, DC power input, battery meter and whistle function. It can be mounted to optional ST-16 speaker stand. Its microphone assembly is germ-resistant treated. Newly developed polyimide diaphragm is employed to ensure high sound quality. It is made of high durability ABS or ASA resin construction. It is compact and lightweight. It provides wide frequency range for enhanced audio quality and neodymium magnets and polyimide speaker diaphragms.