DSP9329A IP Explosion-Proof Telephone with Loudspeaker and Warning LightJune 29, 2023DSP9329A Explosion-proof Sound and Light Amplifying Telephone supports the standard SIP protocol and can be effectively compatible with commonly used IPPBX and network dispatching platforms in the mar...view
DSP9328S IP Waterproof Hands-free Telephone with LoudspeakerJuly 13, 2022view
DSP9326A On-wall Intercom TerminalAugust 18, 2022DSP9326A Intercom Terminal is a fully digital network intercom equipment, with mature VOIP solution for its core part, stable and reliable, and the digital full duplex for hands-free device, loud and ...viewwe will contact you within 24 hours.
The National Standard Approval Meeting held in BeijingJuly 19, 2019The National Standard Approval Meeting held in BeijingThe approval meeting of the National StandardTechnical standard of public address system engineeringis held in Beijing on July 16, 2019. Xue Chang...view
What Are the Functions of PA Amplifier?May 25, 2023The Role of PA Amplifiers in Audio SystemsA PA amplifier, or public address amplifier, is a crucial component of any sound reinforcement system. Its primary function is to take the low-level audio sig...view
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