Taking a common large-scale open-air stage or indoor theater stage as an example, to achieve uniform sound field coverage and visual balance, one line array speaker hoist is usually deployed on each side of the stage, with each hoist corresponding to one dedicated line array speaker hoist control box.
If only manual operation is relied on to control the two side control boxes separately, it is not only difficult to accurately control the lifting speed of the two hoists, but also may cause a height difference between the audio equipment on both sides due to operation time differences, which in turn leads to one-sided tilt. In minor cases, this affects the sound field projection angle of the audio, resulting in uneven sound in the audience area; in severe cases, it increases the risk of falling due to uneven force on the equipment, while prolonging the setup and debugging time.
However, after connecting the synchronized line array speaker hoist control box to the two side control boxes, the operator only needs to issue commands on the same control terminal (which can be linked to one of the main control boxes or a dedicated synchronization console) to achieve the synchronous response of the two side line array speaker hoist control boxes: whether it is the "forward rotation" operation to control the audio equipment to rise or the "reverse rotation" operation to control it to fall, the operating speed and start-stop time of the two hoists can remain highly consistent, with the error controllable within the centimeter level.
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