With the development of technology, the progress of the times, the quality and function of wireless microphones are getting better and better, the price is also decreasing, and the use of wireless microphones is increasingly favored by consumers. In addition, with the development of the KTV industry in the direction of scale and high-end, the application of wireless microphones in the KTV industry is also extremely extensive, but the corresponding technical problems also plague the suppliers and users of KTV audio equipment. Let's talk about the KTV wireless microphone.
1. About the interference problem of KTV wireless microphone. When purchasing a wireless microphone, you should avoid the same frequency as the local TV station. When purchasing multiple wireless microphone systems, it should also be noted that the frequency of each system cannot be repeated to avoid mutual interference when the frequencies overlap. When using multiple sets of wireless microphone systems, if the same series of products, if possible, it is best to use the antenna splitter to minimize mutual interference between the antennas. If there is no antenna splitter, the wireless microphone should be received first. The antenna of the machine is adjusted to the optimal position, and then the words are placed in parallel, and the distance between each wireless microphone receiver is maintained (the antennas on each receiver cannot collide), so that the receivers are better. The receiving condition is to improve the directivity of the wireless receiver and avoid mutual interference between the frequencies to obtain a better wireless signal. In addition, it is better to install a long antenna or an active amplifying antenna for the performance of large-scale occasions to improve the receiving effect.
2. How to check which KTV wireless microphone is being used. When using more than two handheld wireless microphones of the same model at the same time, each wireless microphone should be marked with a different color to prevent misoperation, and the marking should generally be placed at the bottom of the handheld wireless microphone. Where the block is blocked, the same color as the microphone should be marked or marked on the channel corresponding to the microphone on the mixer. In this way, even if the actor mistakenly takes the wireless microphone, the operator can correct it in time when the presenter introduces the actor or plays the song. In addition, you can also use the color microphone dust cover to mark, which not only eliminates the "gasp" sound and the "beep" sound, but also can be used as a microphone mark, which is really good for both. Especially when singing or re-singing, it is more important to adjust the volume and tone of each microphone according to the color code. For the pocket-type wireless microphone to prevent mistakes, you can first set the number or color of each microphone transmitter, and make a fixed or fixed machine before the performance. If there are several programs to be used alternately, just in case, After each alternation, the person and the machine are registered by the special person, and the registration status is notified to the operator to avoid operational errors.
3. What should I do if there is a silent state in the wireless microphone performance? During the performance, the singers always use handheld wireless microphones alternately. Some actors may unconsciously turn off the power of the wireless transmitter or turn on the microphone mute switch to make the microphone mute, so that the next actor When using this wireless microphone, there will be a scene in which the wireless microphone has no sound. This will not only affect the performance of the actors, but also affect the viewer's interest in watching, and may also make the operator unprepared, which must be highly valued. In order to prevent the wireless microphone from being silent, the operator should fix the wireless microphone transmitter power switch and the microphone mute switch that are exposed to the switch before the performance, and fix it with tape. If there is a microphone switch cover, then Should be used twice, so that the wireless transmitter and microphone are always working to ensure the performance is normal.
4, KTV wireless microphone battery problem. If you have conditions when purchasing, it is best to use an alkaline 9V battery. In the normal use of the wireless microphone, it is a time when the battery is insufficient to cause distortion or frequency interference of the audio signal. In order to prevent this from happening, the operator can use the mixer PFL pre-listening function in the normal use of the wireless microphone, and use the headphones to monitor the signal of the wireless microphone. If the sound clarity is slightly reduced or the noise is slightly increased, The battery should be replaced immediately, so as to avoid the psychological pressure caused by the lack of energy of the battery.
5. How to make the KTV wireless microphone play the best sound effect. The correct method is to receive the power of the receiver and the audio system through the wireless microphone, and set the audio system level (0DB or +4DB), then turn the amplifier to the maximum output, and set the main output volume of the mixer at the same time. 0DB, turn on the wireless microphone transmitter power, then set the wireless microphone transmitter's audio output gain to 70%~75%, and set the channel potentiometer of the wireless microphone input channel on the mixer to 0DB; Carefully adjust the mixer input gain and, if necessary, adjust the transmitter audio output gain to a small extent until the microphone is satisfied.
It is not easy to choose a KTV wireless microphone product that suits your needs and is satisfactory after use. With constant functions and daily updates, since you want to buy a new product, you must purchase the most advanced, even if the price is more expensive, do not hesitate, superior KTV wireless microphone, it is worth your choice!
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