Group 1 - The global passenger car audio system market is dominated by Harman and Bose, which together account for nearly 60% of total sales [1] - AAC Technologies is the only Chinese company among the top ten suppliers in the market [1] - Chinese automotive brands such as Sonavox, WANOS, Nobo Automotive, and ADS Audio are rapidly emerging as they expand their influence globally [1] Group 2 - Chinese automakers are actively increasing the number of speakers in high-end models, with brands like NIO, Zeekr, and BYD launching vehicles equipped with over 20 speakers [4] - Despite the high speaker count in premium models, Chinese manufacturers are also focusing on producing more cost-effective electric vehicles with fewer speakers, reducing the average maximum speaker count in the market [4] - The competition in the car audio system market is being reshaped by the increasing integration of software-defined audio features, allowing for personalized audio experiences through OTA updates [4] - Advanced audio systems are becoming a core differentiating factor in consumer purchasing decisions, particularly in China, where consumers are willing to pay a premium for top-tier sound experiences [4]