audio equipment

Maybe people like things they can’t own. I’ve loved watching expensive audio equipment since I was a child. But at that time, the mainland economy was not developed, and only a few “ Get rich first ” People can really be buyers. Fortunately, there is a bookstore. There are often some audio magazines from Hong Kong. I read the equipment introduced above eagerly, and then I knew that Aihua, Xianfeng and Jianwu were just playing with them. A sound system consists of three parts: Sound source, power amplifier, speaker ，…