In a blink of an eye, three years is flying fast, the children in the kindergarten class will soon go to primary school. As a parent, the most headache is how to find an ideal school for children. During this time, everyone is inquiring about the school, which school is good? Is the teacher responsible? for fear that his child will lose at the starting line. Recently, I accompanied my bestie to see the school everywhere.

We went earlier that day, and I was attracted by the voice from the campus. When I walked in, the students were doing exercises on the playground. Everyone was leaping, jumping, looks very happy. We simply stood outside the school wall and watched them do exercises. The melodious voice of the campus came and they performed various actions in an orderly manner. My bestie said that the broadcast sound of this school is so good that I can hear it clearly when I stand outside. We both are looking for where the sound came from and did not find it. Later, the two of us found the school security guard to ask and finally found out that there was a white pillar-like thing on the pillar. The sound was transmitted from here. It is the following photo:

 

 

The security guard told us that this is called a sound column speaker. It looks like a high-end atmosphere. It is a luxurious aluminum alloy high-power waterproof sound column that can be used indoor and outdoor. The power is 15W-180W. The unit is a 6-inch full-range speaker, so the sound quality we hear can be so clear. This speaker waterproof rating is IP66, so you don't have to worry about leaking outdoors. All the broadcasting equipment used in this school is purchased from a company called OBT in Shenzhen. They are a public address system company integrating R&D, production and sales. Their products are guaranteed by quality and after sale service is first class, which is an important reason why school principals choose their products.