Speakers are one of the most commonly used device these days. Its being used in various electronic products. It is impossible to hear sound from any device without any speakers. They are the most important device to produce sound. Your washing machine which let you know with a beep sound uses speaker. Your door bell uses the speaker. From telephones to loud speakers at concert all these devices needs speakers to produce sound. We could say it is not embedded in our society and life will be soundless without them and definitely they made our world a better place.
The first loudspeaker was invented by Johann Philip Reis in 1861 which reproduced clearer sound. In 1876, Alexander Graham Bell who invented the first telephone patented his first electric loud speaker as a part of his invention. Later on Ernst Siemens improved the technology of speakers in 1877.
In 1910, there was a revolution in the industry of speakers because most of companies tried to produce record players using compressed air loudspeakers but teter L.Jensen and Edwin Pridham. They changed the whole game of speakers. The name of company was Magnavox. This was the time when a major revolution was made in the speakers and these dynamic speakers were able to make more clearer and loud sound.
Later on, Moving Coil Principle was released by the Chester W Rice And Edward W. Kellogs in 1924. This system is the most recent one and still these days speakers are based on the same principle. There is not any advancement on the basic principle of these speaker.
These moving coil principle speakers are able to generate crystal clear sound and they are quite louder. If you want a louder sound you can go for larger ones. This principle is the soul of speakers till now and we could say they changed the lives of billions of people by introducing these speakers. We could surly say there is no product these days in your home without speakers.