These high-quality aeco ARP-1512R RCA connectors, sold in packs of 4, benefit from a rigorous design using top-of-the-range materials. The contacts are made of high-purity tellurium copper with rhodium plating, ensuring both excellent conductivity and perfect resistance to oxidation. The insulation is made of glass-fibre reinforced nylon and the outer shell is made of stainless steel to ensure high durability. The connectors have a structure that allows them to be completely dismantled for easy soldering. They also accept cables up to Ø11.5mm in diameter, which are held in place by two screws.