Cordless microphone, which is also known as radio microphone, is a small microphone that is connected to the sound recording or amplifying unit without the use of wires. These wireless microphones are used in various fields including television broadcasting, entertainment industry and public speaking. It can be used by speakers and performers, by moving around freely, to amplify their voices.
Today there are different varieties of cordless microphones available in different frequencies, standards and transmission technologies. It is widely used in live sound applications.
Wireless microphones include a transmitter inside the microphone which sends signals to an output device that receives the signals. These devices can be built on a headset but it can also be clipped on. Signals from the wireless phones are sent to the receiver device with the use of electromagnetic waves. The wave frequency is collected by the device and it is translated for an output source.
Today cordless microphone is used all over the world for various purposes as it includes an array of benefits. Some of the most important benefits are as follows.
Mobility: The largest benefit of using this wireless device is its mobility range. It allows people to move about freely without the need to use wires, cables, boxes and so forth. It can therefore be used during stage performances, public speaking and other activities.
Reduce Hazards: Another advantage includes the reduced risk of accidents during performances. The performance space is free from trip hazards which occur frequently with the use of wired devices.
Cable Issues: As these devices do not include wires, there are no cable issues with these devices.
Types of Cordless Microphones:
There are various types of cordless devices which can be used for a huge variety of purposes. Some of the most commonly used devices include the following.
Handheld microphone with built in transmitter: One of the most popular devices used by most of the performers on the stage. It is most ideal in situations where the microphones are passed from one person to another.
Clip on instruments with body pack transmitter: Another variety of wireless instrument is the clip on instrument which includes a body pack transmitter.
Head worn instruments with body pack transmitter: It is used by people who perform on the stage. It is used by fitness instructors, singers, drummers and so forth. The body pack transmitter can be fixed on the body to receive signals.
Wireless microphones are divided into two categories which include UHF and VHF. The Ultra High Frequency phones include a range of 470 MHz and 806 MHz. The Very High Frequency phones include a transmission frequency of 49 MHz and 216 MHz.
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