January 01, 1970

XLR connectors are usually contained in one package microphone SHURE active role in recording activities. Because of the small items it is a complementary component in an audio circuit that is used to connect the cable with microphone.
There are two types of audio XLR connectors are many on the market ie which has three legs but some are only found 2 foot, there is a kind man with common characteristics which has an elongated metal connectors and amounted to 3, while for the type of women have holes with three holes arrangement also for his or her spouse.

In addition to the connector type Jack or connection type, there is also a in the allotment for placement on the body casing and its other such as the application of audio mixer, soundcard and device other audio connections.
XLR connector was discovered by a scientist named James H.Cannon. His company has the name "Canon Electric" with production of a type of connector that is named Cannon X. Then later developed into being latchnya, so spare named XLR. Among the people known as "Jack Cannon", such as the name of the inventor.
These connectors are commonly used in microphones, where he worked at mic level, ie at 0.1 V, and with this connector also called the balanced signal. Therein consists of 2 (two) cable, which will be reversed its phase, and then in the end will be reversed back into one phase, so will add to the strength of its signal. For a balanced signal this is marked by the label + 4dB. The conclusion is that the connector XLR like this are usually used for wired microphones.