Microphones In Worship - Part 1

Sound Advice by Leon Sievers Sound Professional November 28, 2011

Both VHF and UHF frequency bands are shared with a large number of other devices including TV stations, communications equipment and a large number of wireless microphone systems. Because of this sharing there is the possibility that someone else (anotherchurch) in the area may be using the same frequency. You should not use two microphones with the same frequency. This will result in interference and render the system useless. Manufacturers often sell a wireless handheld and lavaliere or instrument microphone package. Although these systems are designed for individual users, they are not intended to be used simultaneously. Each mic can be used with the same receiver, however they cannot operate at the same time.

Wireless microphones are usually sold with one or two antennas. Dual antenna or "diversity" systems are able to avoid dropouts because they have two antennas and two receiver channels. Because the chances that there will be simultaneous dropouts at both antennas are extremely low, diversity receivers provide almost complete immunity from dropouts. Diversity wireless systems will almost always have better operating range than similar non-diversity systems. 

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