WJ-20 200W Acoustic Hailing System Auxiliary SpeakerMarch 22, 2017The WJ-20 is a 200W all-weather acoustic hailing system loudspeaker. With the high-end speaker unit, it brings high speech intelligibility and excellent sound reinforcement effect, which is suitable f...view
Composition of Cordless PA SystemAugust 6, 20181. Program source equipment: There are traditional program sources such as a digital tuner, multimedia player and so on, and intelligent program sources such as digital program control center, campus ...view
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