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Sailwin 2020 Stage Light Order Can get free face m...
What is stage lighting fixture ?
The difference between professional audio system a...
The difference between professional audio and home audio is the difference in the place of use.
Professional analysis of acoustic frequency range ...
In practice, the frequency range and frequency response of the sound have always been a concern, but because of the professional segmentation knowledge, many people have a relatively one-sided underst
Sound-absorbing cotton problem in the subwoofer ca...
Generally, the volume of a 12-inch speaker is 30 to 40 liters, but it is mainly determined by looking at the QTS (Q value) of the speaker. The formula for calculating the volume of the speaker is base