China Bosheng Electronic Co., Ltd is a company which specializes in car amplifier, Equalizers, Crossover OEM manufacturing , car amplifier designer in China, we have our own R& D department and develop amplifier by ouselves, original technic and high quality is our advantage, all our amplifiers are of stable performance and defective is very low. And our amplifiers had won in many SPL competitions held in USA, England, Italy, Thailand, and so on. Our products are export to most of the countries like: Southeast Asia, South& North America, Europe, and South Africa? -etc . During the 12 years business experience we have gained a great reputation on this field.