Hangzhou C. S. R Audio Co., Ltd. is a Korean-owned enterprise which mainly produces and sells professional stage speaker systems and digital amplifiers. Our headquarters is located in Seoul of South Korea. Our company has set up a production base in Xiaoshan, Hangzhou, China. We mainly focus on the development and production of stage speaker systems. C. S. R Audio is located in Kanshan Town, Xiaoshan District, Hangzhou City. It's only 15 minutes' drive away from Hangzhou Xiaoshan International Airport and just 2 kilometers away from Shanghai-Hangzhou-Ningbo Highway Exit. Thus, we enjoy superior location and convenient transportation. Our company mainly produces digital amplifiers, professional stage speaker systems, speaker system accessories and PA loudspeakers and drivers. Our company has launched several major series of products with many years of development. There are several combination speaker series, such as DIVA series, active SONATA series and ...[More]e. We use high-efficiency and high-quality digital amplifiers, preventing the problems of large volume and high weight of previous analog amplifiers. We have developed and designed line array speaker systems and launched LA6 and LA10 series. According to the needs of circumstances, you can choose different combinations with high frequency bass enclosures. In the development and design of digital amplifiers, our company strives for the high-quality, high-efficiency and better price performance ratio to win the trust of our customers. From passive enclosures to active enclosures, from analog amplifiers to digital amplifiers, from OEM to SUIM, every member persists in working hard and struggling for our enterprise growth. Our products are exported to clients in European and American markets. Adhering to our objective of ''Quality First, Prestige First, Customer Supreme'', we cordially welcome clients to visit our factory for cooperation.