D6211 Conference Expansion UnitAugust 18, 2017It works with the conference controller to extend the maximum number of conference units. In a conference system, it supports up to 32 extension controllers. It may be installed on a 19 inch standard ...viewwe will contact you within 24 hours.
What Does a PA Amplifier Do?May 25, 2023The Functionality of a PA AmplifierPublic Address (PA) systems have become an integral part of various applications, such as schools, airports, shopping malls, and stadiums. These systems consist of s...view
A Brief Introduction to the Announcement Speaker SystemJune 22, 2018An announcement speaker is a transducer that transforms electrical signals into acoustic signals. The performance of speakers has great influence on their sound quality. The speaker is the weakest dev...view
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