Betathree is a series of Three professional audio system for all kinds of professional amplification in the field of engineering products, products are mainly Europe and the United States and technology and design many professional audio companies cooperate together to complete, and in strict accordance with the AES, IEC, GB standard audio products, such as the European and American industrial products has always been to maintain the strict, reliable quality and high technology content. "Betathree" provides complete product solutions in the field of sound amplification in large theaters, theaters, large performance venues, stadiums, professional cinemas, entertainment venues, commercial music broadcasting, conference halls, schools, exhibition centers, water landscape and other public places.