RA3MT-B 3 pole adapter TINY xlr male to male XLR, black metal shell, gold plated contacts Technical Information Product Title RA3MT-B Electrical Contact resistance < 5 m (inner) Dielectric strength > 0.5 kVdc Insulation resistance > 1 G Mechanical Lifetime> 1000 mating cycles Material Contact plating Au Contacts Brass (CuZn39Pb3) Insert Polyamide (PA 6 30 % GR) Shell Zinc diecast (ZnAl4Cu1) Shell plating Black Environmental Temperature range -20 C to +65 C