1. Audio History Timeline By: William Gray Davis

2. 1876 • The first microphone ever made, which was a telephone transmitter invented by Emile Berliner, and it was made for Alexander Graham Bell.(inventers.about.com)

3. 1876 • The first telephone was invented by Alexander Graham Bell. (inventors.about.com)

4. Dec. 14, 1877 • German, Ernst Siemens patented the loudspeaker, before electrified music.(inventors.about.com)

5. 1878 • Thomas Edison made the first audio recorder!

6. 1891 • Nicolai Tesla patented the wireless transmitter.(reference.com)

7. 1896 • Guglielmo Marconi patented the radio in Britain, but he most likely stole the idea from Nicolai Tesla from Italy, but Marconi was still considered the father of the radio. (reference.com)

8. April 27, 1898 • Sir Oliver Lodge received second patent for loudspeaker. (inventors.about.com)

9. 1904 • J.C. Bose patented the radio in the U.S.(reference.com)

10. 1910 • Nathaniel Baldwin invented the first headphones.(inventors.about.com)

11. 1924 • Chester W. Rice and Edward W. Kellogg invented a modern, moving coil, direct radiator, Loudspeaker.(inventors.about.com)

12. 1937 • Don Hings made the first walkie-talkie.(inventors.about.com)

13. 1954 • The first box-enclosed loudspeaker was made by Cabesse, a French company.(inventors.about.com)

14. 1958 • First stereo headphones invented by John C. Koss.

15. 1973 • Martin Cooper invented the first portable phone.(inventors.about.com)

16. 1994 • First bluetooth headset created. (bookrags.com)