Applications

No, you do not need an audio interface in order to use studio monitors. However, most modern (digital) recording setups include audio interfaces due to the improved sound quality that they provide. But studio monitors, which typically include in-built amplifiers, can work with a range of inputs with or without audio interfaces.

Generally speaking, no—an audio interface is not designed to be used as an amplifier (or “amp”). However, it depends on what you need to use an amp for. In some instances, an audio interface may be sufficient for your needs but in other cases, it won’t.