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The XLR connector is a kind of audio connector.

XLR connectors are the most widely used type of connector in professional audio systems and can be used to transmit various types of audio signals in audio systems. Generally balanced input and output terminals are connected using XLR connectors. In a sense, the use of XLR connectors is also one of the features that distinguish professional audio systems from residential audio, the benefits of which are.

1, the use of balanced transmission mode, strong resistance to external interference, conducive to long-distance transmission (not more than 100 metres).

2, with spring locking device, reliable connection, not easy to pull off.

3、The connector provides for signal flow, which is convenient to prevent connection errors.

The XLR plug has a male plug and a female plug, the socket also has a male socket and a female socket. The contact point of the male plug is the pin, while the contact point of the female plug is the jack. In accordance with international practice, the male plug or socket is used as the output of the signal; the female plug or socket is used as the input of the signal.

Extended information.

"We all know that any kind of interface has a male and a female head, and the XLR head is no exception.

The XLR head is divided into many types: two-core, three-core, four-core, large three-core and so on, but the most common or three-core XLR head, three-core XLR head is divided into ground terminal, hot wire (also known as the fire wire); cold wire (also known as the zero wire), respectively to the corresponding position on the microphone.

This is similar to a three-phase plug, but it is worth noting that if you are using a condenser microphone and want to connect it to a computer, you will need to use a 48v phase change power supply or amplifier to get the sound into the computer properly.

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