What is portable pa speaker

Posted by hw on November 12th, 2020

The portable pa speaker is a kind of portable pa speaker device which is convenient to carry, compact in appearance and simple in operation. It is mostly used in occasions where a large number of people need amplifying equipment, such as: travel, class, wedding, conference, etc. portable pa speakers can help them reduce the volume and protect their voices.

What is a portable pa speaker? The portable pa speaker, as its name implies, refers to a portable pa speaker device that is easy to carry and is more convenient, most of which are small in size, light in weight, and easy to operate. With the advancement and development of science and technology, portable amplifiers are no longer limited to general amplifier use. New functions are constantly being improved, supporting U disk, TF card, radio, recording, and remote control functions. .

With the expansion of education and the continuous growth of the tourism industry, teaching and tour guides need to use portable pa speakers to ensure full voice at normal volume and majestic to ensure the quality of teaching and tour guides. The birth of portable pa speakers solves the worries of teachers and tour guides. , Easy to carry, simple to operate, and more convenient and quicker to replace the battery. It is well received by teachers and tour guides.

Pay attention to when buying

First, turn on the portable pa speaker switch, try to maximize the sound, and listen to whether there is noise. If there is no noise, it means that there is no noise when the portable pa speaker is working in a static state. Some amplifiers of poor quality are prone to noise at this time. Such amplifiers are not worth buying and will not last long.

Second, when the sound of the portable pa speaker is adjusted to the maximum, use the portable pa speaker to amplify the sound. Listen carefully to see if the amplified sound is distorted. If the portable pa speaker is at its loudest, the sound quality is full and the sound is strong enough. Such portable pa speakers are probably not bad portable pa speakers.

Third, the workmanship of the portable pa speaker, although the appearance is not the most important factor, the workmanship of the portable pa speaker is indeed a factor worthy of our careful study. If the workmanship of the portable pa speaker is rough, most of these portable pa speakers are immature. For products, the probability of quality problems is relatively high.

Fourth, whether the function of the amplifier meets the requirements, whether it supports U disk, TF card, FM radio, one-key loop function, etc.

Precautions

1. When using the amplifier, avoid the microphone facing the speaker and adjust the volume appropriately, so as to avoid distortion and feedback.

2. Do not pull or twist the microphone cable during use, otherwise it is prone to poor contact between the wires.

3. Do not overcharge or over discharge the battery of the host computer for a long time. When the battery is low, it should be charged in time. When it is not used, it should be charged once a month or two

4. Handle with care during use.

Storage and maintenance

portable pa speakers are small electrical products and need to be maintained to increase their service life.

1. Protect the microphone. The microphone is one of the most easily damaged accessories. The long cable interface is often used. We should pay more attention when plugging and unplugging the microphone when using it. Don't use excessive force.

2. Don't pull the microphone line hard, especially the interface part, it is easy to be damaged, usually pay attention to the body movement not too much.

3. The maintenance of the battery. The battery must be charged before the first use, and then used. Pay attention to the power level during use. If the sound is significantly lower, we should charge it. If the battery is discharged too dry, it may be It will never be charged. If you don’t use it for a long time, you must charge it and save it. For example, if you forget to charge during the summer vacation, the battery will be discharged naturally after the vacation. The battery will be broken and the amplifier will no longer be usable. Store it after charging, and store it regularly.

4. Pay attention to moisture. The portable pa speaker is an electrical product. If the humidity of the circuit board is too high, it will easily cause oxidation, so it should be stored in a dry place.