D6656 Active Directional AntennaJuly 27, 20181. Directional antenna D6656 is used with antenna distributor D6657 to increase receiving distance. Users could be used with 4 receivers simultaneously.view
Six Key Points in the Scheme Design of Public Address SystemApril 25, 2019First, the design of public address system scheme should be combined with the actual situation of the building.The scheme design of public address system must ensure that users can use it flexibly and...view
Necessity of A Meeting Room Speaker SystemJune 28, 2018As we all know, the sound energy of natural sound sources (such as speech, musical instruments and singing, etc.) is very limited, and the sound pressure level attenuates rapidly with the increase of ...view