An audio interface is a device that allows you to connect your musical instruments and microphones to your computer. This allows you to record and edit your music using software such as a digital audio workstation (DAW). An audio interface also allows you to connect your computer to speakers or headphones so that you can hear your music.
An audio interface is an essential piece of equipment for any musician who wants to record and edit their music. It provides a high-quality connection between your instruments and your computer, and it allows you to take advantage of the many features that are available in modern DAWs. There are many different types of audio interfaces available, so it is important to choose one that is right for your needs.