Line Array, Subwoofer, Digital Amplifier manufacturer / supplier in China, offering Professional 8 Inch Outdoor Stage Passive Coaxial Monitor Speaker, Sinbosen 4 Channel 10000W Sound Subwoofer Professional Audio Fp22000q High Power Amplifier, DSP-10q Tuch Screen 4 Channel DSP Power Amplifier 1350 Watts Professional Audio and so on.