Speaker, Audio manufacturer / supplier in China, offering Lucky Tone Dante Network 60W 8 Ohm Amplifier PCB Module with Gain, EQ, Crossover and Limiter, 1u Standard PA System 2 Channels 600W Class D Power Amplifier with 100V and 70V Switchable, High Performance 100V 70V 2 X 300W Class D Power Amplifier with Volume Control and so on.