we will contact you within 24 hours.
Sound Effect Principle of Surface Mount Ceiling SpeakersNovember 6, 2020Surface mount ceiling speakers are also known as ceiling speakers. Large-sized ceiling speakers have a larger diaphragm diameter, and the volume of air that is pushed will become larger and larger, an...view
Composition of Digital Conference System (I)October 29, 2020The digital conference system is a conference system that integrates computer, communication, control, multimedia, image, audio and other technologies. Digital conference system is consisted with cent...view
EN
ar
bn
fr
ms
de
th
id
hi
pt
ru
es
