Question: what are usb audio interface?
Answer: Audio interfaces let you plug pro mics, instruments and other signals into a computer. ... Audio interfaces connect through USB 1.0, USB 2.0, FireWire, PCMCIA/ExpressCard and PCI. Professional microphones connect with three-pin XLR jacks. “Combo” inputs combine a three-pin XLR input with a 1/4” TRS input in one socket.