Features：Small size but tidy and beautifulClean sound can display and restore original voiceEasy handling for installation. It may be mounted in wall and can be rotated by different directivity Suitable for a variety of venues like conference  hall, mufti-function hall, coffee bar, shopping mall, class room, church by combined with active subwooferSC-12BSpecifications：Frequency Range (+/-3 dB):45Hz-250HzSensitivity: 97dMaximum Peak SPL:121dBConfiguration： LF1x 12"Nominal Impedance:8ΩPower Handling:400WProduct dimensions(WxDxH)N.W :KGPower: AC180-240V/50-60HzOutput Power ：2×600W+1×900W/8ΩFrequency response：20Hz～20KHz(+0.1dB/-3dB)Total harmonic distortion：＜0.05%@8 ohm1KHzInput impedance：20K ohmInput sensitivity：1.1VSignal/noise ratio：101dB