1. HD Sound Quality: The RCA audio connector uses a black carbon fiber shielding as the housing, which effectively shields external noise and restores pure current. The hot end hole adopts the middle car's empty design, the sound is natural and loose. 2. Professional Operation: This premium RCA connector features a metal connector housing that is ideal for professional installers or home theater enthusiasts who want to make their own high-quality RCA cables. 3. Chrome-Plated Audio Connector: This connector has better signal transmission. Excellent workmanship ensures high load capacity and the chrome-plated contacts transmit signals almost without loss. Don't worry about signal interruption. 4. Fantastic Layering: The RCA audio connector has high resolution, transparency, and smoothness, rich details and layering, the mid-frequency is thick and full, and the low-frequency has good elasticity and strength. 5. Wide Range of Applications: The RCA connector is suitable for signal lines, audio lines, coaxial lines, etc., used in professional audio equipment. The maximum wire thickness for the RCA terminal plug connector is up to 9 mm.