We are manufacturer, professional amplifier. 1, 280W 2,70/100V, 4-16ohm 3, 6channels outputs audio control seperately. ModelRated powerOutput modeInput sensitivityS/n ratioFred responsePower workDimensionsCA-025D280w70-100V, 4-16Ω500mv>85dB80Hz ι15KHz±3dBAC220V±10%/50Hz90×485×430 We are manufacturer, professional amplifiers.1.280W2.70/100V. 4-16ohm3.6channels outputs audio control seperately.1.3 ...