I. What to do if the sound of the amplifier is too small
The amplifier can amplify the sound so that people farther away can hear it. What should I do if the sound of the speaker is small?
1. It may be caused by the following reasons
The microphone (MIC) is broken, the component is leaking or changing value, and the volume is not adjusted.
2. Solutions
Resolder or replace the audio (power supply, CPU), increase the working voltage of the microphone (MIC), find the volume key “+”, press to the appropriate volume.
Second, how to loop through loudspeakers
Loudspeakers are often used in street stalls to sell advertisements Behavior, when using it, you only need to play the specified advertisement words, then how can the loudspeaker play it in a loop when using it?
Just set it in the player.
There are two methods: set a single loop from the playback device, just loop the recording to be played, so that the loop can be played, delete other audio files in the U disk, and only keep the recording to be played , so that loop playback can also be realized.
3. How to install the battery of the loudspeaker
If the loudspeaker is not used for a long time, the battery needs to be removed, otherwise the solution in the battery will not flow. It hurts the motor when it comes out, so how to install the battery of the amplifier when it is used again?
The back cover can be opened as a whole. If the battery has positive and negative labels, it can be installed as it is after the battery is taken out and charged.
The above is the introduction of how to deal with the low sound of the loudspeaker and how to play the loudspeaker in a loop. I hope it will help you. There is a lot of relevant knowledge on the homepage, please click to view it.
