DI unit

Rarity: Common

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Notion

Domain

Science and technology

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What Wikipedia says

A DI unit (direct input or direct inject) is an electronic device typically used in recording studios and in sound reinforcement systems to connect a high output impedance unbalanced output signal to a low-impedance, microphone level, balanced input, usually via an XLR connector and XLR cable.

Excerpt from the Wikipedia article “DI unit”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Michael Limbert, CC BY-SA 4.0, via Wikimedia Commons.