What is "Electret Microphone"?

Electret Microphone

A condenser microphone with a permanently charged membrane or permanently charged back electrode. An external voltage is only needed for the built-in electronics, which are there to provide a suitable low impedance for connecting to the surrounding world.

The electret microphone was invented by James E. West and patented in 1961.

Be the first to hear about our new products, workshops, events, contests and more.