DSP9321B on-wall Intercom PanelNovember 8, 2017This product is a fully digital network intercom equipment, its core part adopts mature VOIP solutions (Broadcom 1190), the performance is stable and reliable; the digital full duplex hands-free, voic...view
DSP9327 Waterproof Sound Alarm Wall-Mounted TelephoneNovember 3, 2021The Waterproof telephone is suitable for use in environments with special requirements such as subways, light rails, highways, ships, mines, power plants, steel companies, etc, which have special requirements for moisture, fire, explosion, noise, and frost resistance.view
DSP9321A on-wall Intercom PanelNovember 8, 2017This product is a fully digital network intercom equipment, its core part adopts mature VOIP solutions (Broadcom 1190), the performance is stable and reliable; the digital full duplex hands-free, voic...viewwe will contact you within 24 hours.
What Are the Characteristics of the Conference Sound System DesignJuly 21, 2021On the premise of meeting the national standards, we should try to meet the needs of customers to the maximum extent. To ensure that acoustical specifications of these venues meet the specified requir...view
Background Music of Pa Speaker SystemMarch 29, 2019Pa speaker system covers a wide range of areas, from shopping malls, schools, hotels, stations, wharves, squares to venues, theatres, gymnasiums and so on, all of which are closely related.1.1In civil...view
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