How to Convert Mic Input to Line Input

Written by ryan cockerham
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How to Convert Mic Input to Line Input
Music studios use digital audio interfaces to transfer microphone signals into data. (Hemera Technologies/ Images)

Musicians, music producers and recording engineers have at their disposal a wide variety of digital audio equipment for studio and live performance use. Digital audio interfaces allow users to convert microphone signals into speaker and amplifier-ready sounds as well as computer-compatible data for use with digital audio workstations. Configuring a digital audio interface to capture and convert microphone signals to line signals can be accomplished quickly and easily.

Skill level:

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Things you need

  • Digital audio interface
  • Microphone
  • XLR cable
  • Line cable

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  1. 1

    Plug the XLR microphone cable into the microphone input on the audio interface and the microphone.

  2. 2

    Plug the line cable into the line-out port on the interface and the line-in port on the amplifier or speaker.

  3. 3

    Connect the audio interface to a power supply. Power on the interface and the audio output device.

  4. 4

    Test the connection by speaking into the microphone. Sounds captured by the microphone should play out of the speaker unit.

Tips and warnings

  • Replace the XLR and line cables on a regular basis to ensure optimal audio quality during your productions. The delicate wiring inside these cables can easily be damaged by physical wear and tear as well as overuse.
  • Always lower the volume on your amplifier or speaker before powering on the device. Defective or faulty microphone and line cables can produce loud, abrasive tones in your output devices.

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