10 Tips For Using Wireless Microphones

Wireless microphone systems seem to be everywhere today. The spectrum is getting crowded and with the application of digital television and a plethora of other wireless gizmos frequency availability is at a premium. Knowing how to set up and use these systems is important to getting the best performance and to stay within regulations.

  1. Always use fresh batteries. Make sure batteries are installed properly matching the positive – negative prongs. Improper installation could result in shorting out the electronics, fire or in some cases the battery could explode. Make sure battery terminals are touching the battery tightly and that the battery is tightly secured in the battery holder to avoid power drop and shortage. When using more than one battery in a pack replace all batteries at the same time. Never use a fresh battery with a used battery. Avoid using rechargeable batteries unless the manufacturer designs them for use with the units.
  2. Place your receivers properly. For best reception keep receiver in a high, open area and within line-of-site of the transmitter if possible. Avoid areas with liquids, cables lines, steel or metal structure, neon lights, satellite receivers, scanners, other audio lines and cell phones that might interfere with your reception. 
  3. Optimize reception. To avoid drop out, expand the antennas as wide and far as they go. Stay within your transceiver’s recommended reception range whenever possible. Although a range test is a good suggestion before use, be aware that the system response changes with the environment and as areas fill with people and objects.
  4. Don’t pop your P’s. To avoid outside noise and vocals pops use a windscreen. For best results, a windscreen is always recommended for a headset microphone
  5. Place microphones properly. For best vocal response, keep the talent’s mouth 4-6 inches away from handheld microphone Headset microphones should be placed directly in front on the mouth within 1-3 inches. A lavaliere microphone should be placed at heart level or at 10-12 inches down from the chin. Suggest that talent wear clothing that dampens noise such as cotton and wool, avoiding noisy material such as leather, metals, satin, silk and polyester blends. 
  6. Handling the microphones. Avoid dropping the microphone, touching the microphone with wet hands, or blowing into the microphone to see if it is on. Place the microphone on your talent to avoid sweat clogging the element. When wearing a lavaliere microphone avoid contact with the chest to cut down on unwanted sounds.
  7. Don’t bang heads. Make sure your transmitter and receiver are using matching frequencies. Be aware that others may be working with wireless in proximity to yours, which may cause frequency disturbance and drop out. To solve this problem utilize a frequency agile system or a wired microphone If you don’t have a back up and others are using the same frequency in the area, keep the transmitter close to your receiver to limit problems and shut off the transmitter when not in use. 
  8. Avoid the sonic boom. When using wireless, as with any other audio products, make sure the unit is turned off and volume is down before inserting wires. Make sure volume is turned down before speaking or playing through the unit. 
  9. Hold the howl. Avoid subjecting the microphone to feedback by walking in front of speakers, placing the microphone on the floor or near power supplies or amps while the microphone is on. 
  10. Adjustments. Squelch adjustment can be used to help boost reception and frequency response.



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