Method of repairing malfunctioning power amplifier，such as the machine does not work,no sound output,light sound...and so on
Oct 21, 2021 Views : 27
What is the difference between active speakers? What are the advantages and disadvantages of each? Which speaker should you choose?
Oct 18, 2021 Views : 23
When the microphone was invented, there was no such directivity as we know it today. Now let us follow the history of the microphone to understand the evolution of the directivity of the microphone.
Oct 15, 2021 Views : 42
Weekly product live broadcasts to show you more product information
Oct 13, 2021 Views : 55
The new Mini k2-450 is released, let's see what is different from the previous version.