DSP9328A IP Waterproof Hands-free Telephone with Loudspeaker and Warning LightJuly 13, 2022view
DSP9327S IP Waterproof Sound Alarm Wall-Mounted Telephone+15W SpeakerNovember 3, 2021DSP9327S IP Waterproof Phone+15W Speaker suitable for use in environments with special requirements such as subways, light rails, highways, ships, mines, power plants, steel companies, etc, which have...view
DSP9331 Audio Intercom Terminal with One ButtonApril 15, 2024The product is an all-digital network-based intercom device with a proven VOIP solution at its core, stable and reliable performance; adopts hands-free digital full duplex mode for clear and loud voic...viewwe will contact you within 24 hours.
Characteristics of PA AmplifierAugust 6, 20181. Broadcast power amplifiers usually output with single sound channels, and ordinary power amplifiers output with dual sound channels (or multi-sound channels), which is mainly determined by the plac...view
Background Music System of Pa Speaker SystemJuly 25, 2019Broadcasting audio system covers a wide range of areas, from shopping malls, schools, hotels, stations, wharfs, squares to venues, theatres, gymnasiums and so on. They are closely related to it.1.1 In...view
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