DI unit

（重定向自Direct Input）

An active stereo DI with pass-through in mono mode only

A DI unit is a device typically used in recording studios to connect a high-impedance, line level, unbalanced output signal to a low-impedance, microphone level, balanced input, usually via XLR connector. DIs are frequently used to connect an electric guitar or electric bass to a mixing console's microphone input. The DI performs level matching, balancing, and either active buffering or passive impedance matching/impedance bridging to minimize noise, distortion, and ground loops. DI boxes are extensively used with professional and semi-professional PA systems, professional sound reinforcement systems and in sound recording studios.

单词	Direct Input
释义	Direct Input 英语百科 DI unit （重定向自Direct Input） A DI unit is a device typically used in recording studios to connect a high-impedance, line level, unbalanced output signal to a low-impedance, microphone level, balanced input, usually via XLR connector. DIs are frequently used to connect an electric guitar or electric bass to a mixing console's microphone input. The DI performs level matching, balancing, and either active buffering or passive impedance matching/impedance bridging to minimize noise, distortion, and ground loops. DI boxes are extensively used with professional and semi-professional PA systems, professional sound reinforcement systems and in sound recording studios.
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