Big manufacturer of professional audio High quality Lower price than other companys Perfect sound effect Style:XDR8 Specification HF driver LF driver 12 "coaxial Frequency Response: 60Hz-20KHzImpedance :8ΩRated Power(RMS): 300WProgramme Power:600WSensitivity(1W/1m): 96dBPL/1m: 125dBDimension:370*480*380mmNet Weight:14.5kg Single 12-inch professional coaxial speakers