Product specificationspower output1?0?0? w (max.)power requirementsac 2?2?0?-2?4?0? v 5?0?/6?0? hz dc 1?2? v (1? x 1?2? v car battery)tone controlbass : +-1?0?db at 1?0?0?hz, treble : +-1?0?db at 1?0?khzspeaker matching7?0?v-1?0?0?v linebrandmegainput channels4? mikes 2? aux. 1? usb port 1? sd / mmc card readerweight9?.0?0?0? kgfrequency response5?0?-1?5?0?0?0? hz +- 3?dbpre amp output2?0?0?mv / 6?0?0? ohms pre ampsignal to noise ratio6?0? dboutput taps for4?-8?-1?6? ohmsproduct brochuredownload pdfview nowproduct descriptionwe are the most trusted name amongst the topmost companies in this business, instrumental in presenting 100w mixer amplifier.