Multiple choice general knowledge who invented first microphone & when? Emile Berliner - march 4 ,1877 Alexander Graham Bell - March 7, 1876 Thomas alva edison - march -3 1910 none of the above Reveal answer Fill a bubble to check yourself A Correct answer Explanation Emile Berliner invented the first microphone on March 4, 1877, while working on improving telephone technology for Bell's company. Alexander Graham Bell patented the telephone in 1876, and Edison worked on recording technology later.