These RCA BRIO connectors from ETI are top-of-the-range RCA connectors designed with high-quality components. The contacts are made of rhodium-plated tellurium copper, for enhanced conductivity and resistance to corrosion and oxidation. The body is made of brass, providing effective protection against vibration and EMI/RFI interference. The use of these connectors ensures a final result without any alteration of the signal.