Which audio connection is known for requiring a balanced signal?

A balanced signal is essential for minimizing noise and interference in audio connections, especially over longer cable runs. The XLR connector is widely recognized for its ability to carry a balanced audio signal. It typically comprises three pins: one for the positive phase, one for the negative phase, and a ground. This configuration allows it to effectively cancel out electromagnetic interference and ground noise, which is particularly beneficial in professional audio environments such as concerts, studios, and broadcasting.

The balanced nature of the XLR connector makes it optimal for connecting microphones to mixing consoles or audio interfaces, where clarity and fidelity are paramount. This feature is why the XLR connector is a standard choice in professional audio setups.

In contrast, the other connectors mentioned either do not inherently provide balanced signals or are primarily designed for unbalanced audio connections. Understanding the importance of balanced connections, particularly in the context of audio signal integrity, helps further appreciate the role of the XLR connector in professional audio applications.