At my High School, we are running 21 body mics currently: 6 Audio Techncia 3100, 8 AT 310, All in the "D" Band; 4 more AT's in the 500's, and 3 old Sennheisers.The issue is this:
Mon, Tues, and Wed. dress rehearsals all worked perfectly, then Thurs, Opening Night, Half way through the show...