The most basic condition for the sound system to be called sound is that it has the function of replaying sound. In an audio system, at least the following points must be included to qualify as an audio system. This is true for any audio system, and car audio is no exception. Car audio mainly includes three parts: host, speaker, and power amplifier. The host is the most important part of the car audio, just like the human brain, what kind of sound to make must be controlled by the brain. Popular hosts include RADIO host with only broadcast receiving function, RADIO plus MP3 host, CD host, MP3 plus CD box, CD plus navigation host and CD/DVD/car MP5 host,
The MP5 host has replaced the general car CD audio system, and the massive hard disk capacity has replaced the traditional disc. Car MP5 has become mainstream today.
With the rapid development of China's auto industry, the auto parts and parts industries are also growing rapidly. At present, 90% of China's auto audio market is occupied by foreign brands. Since the first Philips car audio entered China in the early 1990s, the car audio market has developed into a large-scale professional market with annual sales of nearly 3 billion yuan, which is more than 300 times that of 10 years ago. As of the end of 2010, the scale of China's car audio market was close to 3 billion. However, in the Chinese car audio market, Japanese brands accounted for 50% of the market, European and American brands accounted for 40%, and Chinese local brands accounted for only 10%.
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