DI boxes that are powered by phantom power are active DI boxes. One thing you should note is that some DI boxes are powered by phantom power. If you don’t know what reamping is, feel free to check out my article on how to reamp with a DI Box. They also play a role when it comes to recording instrument signals and reamping. It converts high-impedance audio signals that are unbalanced to balanced low-impedance audio signals.ĭI boxes also isolate and remove noise from audio signals. The primary function of a DI box is to perform impedance conversion. The primary design and engineered function of DI boxes do not give them the ability to supply phantom power to devices like condenser microphones. Can a DI Box Provide Phantom Power?ĭI boxes cannot provide phantom power. Pressing this button enables the phantom power feature to work silently in the background. Phantom power is usually represented by a button on lots of preamps, audio interfaces, and mixers. Phantom power is available in multiple voltage levels-however, most modern audio equipment supplies phantom power supply power of up to 48 volts. However, condenser microphones are not the only audio devices that depend on phantom power to work. The type of microphone that requires electricity to operate is the condenser microphone. Phantom power is popularly recognized as the way for providing power to microphones that depend on electricity for their operation. These cables are usually microphone cables.Īudio equipment that is known to supply phantom power includes mixers, preamps, and audio interfaces. Phantom power is simply a direct current sent through cables to operate audio devices with active electronic circuitry in them. ![]() It also has a 3-pin male XLR output connection. These input jacks enable you to connect instruments to the DI box. Most passive DI boxes are engineered to have either ¼” or RCA phono input jacks. It also preserves the frequency characteristics of audio signals that pass through them.ĭue to the transformer they come with, passive DI boxes rarely add noise to audio signals that pass through them. This transformer performs balancing and impedance matching. Unlike active DI boxes, a passive DI box contains a transformer. Passive DI BoxĪ passive DI box is a DI box that does not need to be connected to a source of power. ![]() This enables active DIs to have a wider frequency response than passive DIs. They come with an active DI circuit as well. This preamplifier increases the impedance and strengthens the audio signal that passes through it. On the other hand, you will need an XLR cable when you need to connect active DI boxes to phantom power sources.Īctive DI boxes contain preamplifiers. To connect an active DI box to a battery source, all you need is a 9-volts battery. This source of power can be either a battery or phantom power source. ![]() Active DI BoxĪn active DI box is a DI box that needs to be connected to a source of power before it can work. They can have single or multiple input and output channels. DI boxes are used primarily for connecting to audio instruments such as guitars and keyboards. This conversion is conducive for the transmission of audio signals into mixing consoles. Will Phantom Power Damage a Passive DI Box?ĭI boxes are also known as Direct boxes. These boxes primarily work by converting high impedance signals that are unbalanced into balanced low impedance format.Do I Need Phantom Power to Power A DI Box?.
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