The best part about setting up a gain structure is that you only have to do it once. You can safely assume that people will always speak into microphones at approximately the same level, and that the relative balance between your inputs will remain roughly the same. You may need to make slight adjustments, but that can be done using the faders on your mixer. In fact, that’s exactly what your mixer is for, and why they’re indispensable. The next section talks about the importance of equipment and how it can improve your audio quality.