After being away from home recording for some time i wanted to get back into doing so. I wanted a simple usb audio interface but not a usb powered interface, a good friend of mine had bought a nice usb powered one and it gave him all kinds of grieve because the power of his computers usb port was slightly off. I came across this Behringer mic500usb unit, it is simple, inexpensive, adapter powered and even uses a 12ax7 tube! It doesn't need drivers and works fine on my windows 10 laptop. The sound and overall quality of this unit is nice and it's really versatile- I also use it as a preamp for my electric guitar. Don't expect it to turn your transistor amp into a classy tube job but it alters the amp sound in a nice way! I like this unit a lot, it does the job well and it's low noise. I have recommended this to my friends. Kind regards!