AHD200 200W All Weather Proof Design Acoustic Hailing System Auxiliary Speaker (16Ω)November 20, 2019view
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
LRAS1515 150W Long Range Acoustic Hailing LoudspeakerMay 22, 2019This product is a portable long range directional acoustic transmitter. Featuring powerful sound intensity, high directivity and high intelligibility, this product can realize long range communication and deterrent warning, It is a multifunctional militarviewwe will contact you within 24 hours.
The discriminative methods of positive and negative poles of announcement speakerJune 22, 2018The phase of an announcement speaker is the connection of the positive and negative poles of the loudspeaker when used in series and parallel. When more than two speakers are used, the consistency of ...view
A Brief Introduction to the Surface Mount Ceiling SpeakerJune 22, 2018Surface mount ceiling speaker, also known as the surface mount speaker, an important member of the public broadcasting system, is a ceiling mounted electro-acoustic conversion device. It is used to co...view
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