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Free gallery of gifs of megaphonesThe oldest model of megaphone was a cone-shaped object which used to amplify the sound of the voice, speaking through him from the narrowest part.
All the gifs of megaphones in this free gallery to use as you like While megaphones early models were simply conical objects, currently the most widely used are electric megaphones. These small devices have mainly to amplify sound with a microphone that picks up sound, and a speaker that amplifies, all in real time, virtually simultaneously. Where they are often seen these gadgets is in large conferences, rallies or demonstrations. They can be used to publicize any information, coordinating activity with a large group or a claim is made to exalt.