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Why are large portable speakers more popular?

Nowadays,large portable speaker are very common in the market. Not long ago, Meizu also released a small Bluetooth speaker. So why are large portable speakers so popular?

How to use tws bluetooth headset

After the tws bluetooth headset is paired, the mobile phone needs to search for bluetooth devices. Generally, it takes about 5 seconds tosearch for the tws bluetooth headset.Most cell phone passwords are 0000 or 1234, but some are specially set by the manufacturer, which will be detailed in your tws bluetooth headset manual.

Advantages of live broadcast

The information dimension of live broadcasting ismore abundant, which enables consumers to have a more intuitive and comprehensive understanding of product content and service information.The biggest advantage of live streaming is that it allows consumers to immerse themselves in the shopping scene.

How to better choose and use dancing speaker

For music lovers, they have a set of their favorite sound system, and one of the important components-speakers, play a decisive role in the quality of the replay sound, so when choosing dancing speakers, they will take great pains, but apart from comparing the speaker technology In addition to indicators and listening evaluation, some small knowledge about dancing speakers will also allow you to better choose and use dancing speakers.

The advantages of bluetooth wireless headphones

Don't worry, in order to cope with these situations, bluetooth wireless headphones have emerged, of course, the invention of bluetooth wireless headphones must be attributed to the development of science and technology and the infinite wisdom of human beings.

Selfie light - Illuminates your beauty

Whether it's a regular selfie light or a circular selfie light, you'll find your eyes twinkling after you take a selfie.Maybe you'll fall in love with this selfie light after you use it.

How to select mini portable speaker

We always want a clean voice with no other noise.However, when a mini portable speaker makes sound, it will produce noise, which comes from the resonance of the box body, the reflection inside the box body, the distortion of the mini portable speaker when it makes sound,the reverberation produced by the environment and so on.
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Check the top bluetooth speakers phase inverse simple method (1)

  • Author:James
  • Source:http://www.jaskeyworld.com/
  • Release Date:2021-01-15

Top bluetooth speakers unit phase, with the frequency of the audio signal from the amplifier output, if a pair of top bluetooth speakers connected to a reverse phase (usually means "+" "-" reverse polarity), then the top bluetooth speakers unit will produce AC phase difference, Audio signal offset each other, after the low-frequency signal is very weak sound reinforcement, the sound hard to dry, the high frequency will be floating back and forth, affecting the entire public address system debugging and overall effect.


The inversion of the audio system consists of two aspects, one is for the audio signal, the two are the same sound signal phase difference of 180 °; the other is for the microphone and top bluetooth speakers, driven by the same sound, the top bluetooth speakers vibration Between the membrane, between the microphone diaphragm or between the top bluetooth speakers and the microphone diaphragm vibration in the opposite direction. From the practical application can clearly understand the anti-phase and reverse the impact of sound production.


Left and right channel top bluetooth speakers phase


In order to reproduce the stereo effect, so that the delivery of the sound has a good sense of expansion, to ensure uniform sound field, modern sound system to take two-channel playback. In the left and right channel top bluetooth speakers simultaneously playback, if the left and right channel top bluetooth speakers into the same push signal, the top bluetooth speakers cone vibration direction should be exactly the same, that is simultaneously synchronized outward or inward movement; if the vibration direction of the diaphragm On the contrary, the direction of the sound of its vibration must be reversed, the sound is equivalent to the left and right top bluetooth speakers between the two there is always a 180 ° phase difference, this state is called the left and right channel top bluetooth speakers reverse.

top bluetooth speaker