Ana amfani da na'urar rage zafi don ƙara yawan na'urori masu motsi kamar na'urorin auna wutar lantarki da amplifiers. Yana iya watsa siginar shigarwa ba tare da wata matsala ba ta hanyar shan wani ɓangare na siginar shigarwa da kanta. Hakanan ana iya amfani da shi azaman hanyar daidaita matakin siginar a cikin layin watsawa. Kayayyakin Qualwave Akwai nau'ikan na'urorin rage zafi daban-daban, gami da na'urorin rage zafi da aka gyara, na'urorin rage zafi da hannu, na'urorin rage zafi da CNC, da sauransu.