... ,MH 4.CE, FCC, RoHS certific Product Description 1.With low frequency output, no sound resonatiing.2.High-speed digital processor for ... ≥0.99Efficiency≥90%THD≤10%Tube voltage80Vac~145VacCCF≤1.8Output frequency>40KHzTc≤80°CSize (L*W*H)295*160*96mm Process ...