This is used in order to send signals from the stage to the mixing desk. When you play a live gig, the sound engineer will often use a stage-box. That’s because finding yourself in a situation where only mic inputs are available to you is not uncommon. You can also connect any other devices which would not normally be suitable for connection to a low impedance, mic level input (such as an electric piano for example) to a DI box to make them suitable for connection to a mic input.īeing able to convert a signal to a low impedance, mic level signal is really handy. So now, the signal from your electric guitar can be connected to your mic input. As such, you can use a DI box to convert the high impedance, instrument level signal produced by your electric guitar to a low impedance, mic level signal. As previously mentioned, a DI box converts signals to low impedance, mic level signals. This input is designed to receive a low impedance, mic level signal. These will usually come in the form of an XLR input. Whilst interfaces and mixing desks do not always provide you with all three types of input, almost all will provide you with mic inputs. This is where a DI box comes in… What does a DI box do: The ‘Line’ input is designed to receive signals from things like electric pianos and drum machines.īut what do you do if you do not have access to the type of input that you need? For instance, when you want to connect an instrument like an electric guitar to your interface, but no instrument input is available. The ‘Instrument’ input is there to receive the signal from things like electric guitars, electric basses or electro-acoustic guitars. The ‘Mic’ input is there to receive the signal from a microphone. Having these three types of inputs available will allow you to connect just about any device to your interface. With modern interfaces, it’s increasingly common to have dedicated inputs for ‘Mic’, ‘Instrument’ and ‘Line’ level devices. So when you connect a device to an audio interface or mixing desk, it’s important to connect it to an input which is designed to receive that specific type of signal. Why do you need to use a DI box:įirst of all, it’s important to note that different devices ( mics, guitars, keyboards etc.) putout different types of signals with regards to their signal level and their output impedance.
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We’ll also define the occasions that you’ll need to use a DI box.īefore we go any further, if you want to make better music in your home studio, then be sure to download your free home studio bundle here (EQ cheat sheet, compression cheat sheet, & vocal guide). We’ll look at the numerous purposes that a DI box serves. But what does that mean and why would you need to do that? In this article, we’ll break down the DI box. DI boxes are used to convert an unbalanced, high impedance, instrument or line level signal to a balanced, low impedance, mic level signal. But for many, DI boxes pose a bit of a mystery.
A DI Box, short for direct injection box, is a really useful piece of equipment in audio recording.
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