1Black Carbon Fiber Shell: Black carbon fiber shielding used as a shell, effectively block external noise, restore clean current. The conductor material is brass and the connection mode is welding. 2Better Sound: The hot hole adopts the middle car empty design, the sound is natural and loose. Clear force is high, transparent smooth, rich detail expression and level feeling, medium frequency thick and ful. 3Lossless Transmission: Gold plated plug for better signal transmission. Excellent workmanship ensures high load capacity, gold plated contacts transmit signals with almost no loss. 4Wide Range of Application: Suitable for signal cable, sound cable, coaxial line, etc., used in professional sound equipment. RCA terminal plug connectors have a maximum wire diameter of 0.43in. 5Suitable for Professionals: This premium RCA connector features a metal connector housing, perfect for professional installers or home theater enthusiasts who want to make their own high quality RCA cables.