They’re easy to use and convenient-just plug it in to your computer and start recording. The USB/XLR choiceįor most podcasters on a budget, the right microphone is almost certainly a USB microphone. I reviewed five low-cost USB audio interfaces in a search to find the best of the many options. Unfortunately, there are so many options that it can be dizzying. Fortunately, there are good options to be found even if you’re on a tight budget. If you’re podcasting or recording voiceovers for video, you need a good microphone.