Which home improvement video store in Chaoshan is more professional?

Chaozhou capgemini car audio. In Chaozhou, Chaozhou Capgemini car stereos are bought by big brands with good quality, and professionals provide after-sales guarantee, which has won people's praise. Audio refers to a set of audio system that combines electrical equipment to produce sound. The development history of audio technology can be divided into four stages: electron tube, transistor, integrated circuit and field effect tube.