... entire steel, 2..Cartrige:hypercardioid, specially wire frequecny res NO-NOISE SWITCH DYNAMIC MICROPHONE1.Impendance: 600 OHM±30% 2.Polar pattern ... hypercardioid, specially wire frequecny response, Anti-shake 7.Switch;no noise, can use 10 thousand by test . 8.body:zinc- ... , New brass wire . Packing inner gift box :255mm×130mm×65mmouter carton box:525×346mm×28mm20pcs/carton box MP-9050 NO-NOISE SWITCH ...