Here is National Geographic photographer, Ami Vitale, being fitted with her headset mic for her talk at our Charlottesville TEDx. See the tiny beige ball peeking out from under her hair on the left? That ball must be placed quite close to the mouth, but not too close or every plosive is explosive! After learning all we can about the audience—who, how many, what we can give them—we get as much information as we can about the microphone set-up for the event. Again, we might find that the organizers themselves do not yet have the answers, but asking the questions will give a nudge so that we have the information sooner rather than later and can prepare. :Questions to ask:..Read on.