Power Amplifier, Professional Microphone, Audio Processor manufacturer / supplier in China, offering Sinbosen 15X Professional Audio Passive 15 Inch Stage Monitor Speaker, Sinbosen Ka-2 Passive Neodymium Speaker Driver 3-Way Double 12 Inch Line Array, DSP 2 Ohms Stable D4-3000 Professional 4 Channnels 6500W DSP 1u Digital Power Amplifier Audio Sound and so on.