Feature: 1. [Silver Plated] RCA plug surface is silver plated to effectively shield external noise and restore clean current. The hot end hole is designed with an empty space in the middle, and the sound is natural and loose. 2. [Lossless Transmission] RCA plug connector silver plated plug for better signal transmission. Excellent workmanship ensures high load capacity, and the silver plated contacts transmit signals almost losslessly. 3. [High Resolution] HIFI RCA plug has high resolution, transparency and smoothness, rich detail expression and layering, mid frequency is thick and full, and low frequency has high elasticity and strength. 4. [Wide Use] RCA terminal plug connector is suitable for signal lines, coaxial lines, etc., and is used in professional equipment. It accommodates up to 9mm wire diameter. Connection method is soldering. 5. [Metal Connector Housing] 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 cable. Specification: Item Type: RCA Plug Conductor Material: Brass Finish: Silver Plated Color: Silver White and Silver Red Quantity: 4pcs Impedance: Ultra Low Impedance Connection Method: Soldering Maximum Wire Diameter: 9mm / 0.4in Scope Of Application: Widely Used in Professional Equipment. Package List: 2 x RCA Plug (Silver White)2 x RCA Plug (Silver Red)