A. This audio cable for car audio modification is specifically designed for modifying the subwoofers and power amplifiers of car audio systems, with a wide range of applications. B. It has good adaptability and is suitable for most car models. No matter what kind of car you drive, you can easily use this audio cable to upgrade your car audio system. C. In terms of materials, it is made of pure copper. Pure copper has good conductivity, which can reduce the loss during signal transmission, ensure the clarity and stability of audio signals, and allow you to enjoy music in the car as if you were at a concert. D. Its excellent design and quality materials can not only improve the performance of the car audio system, but also bring you a more immersive auditory experience. Whether you are driving daily or on a long - distance trip, you can immerse yourself in the wonderful world of music. This product is mainly sold in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and has received wide acclaim. It is trustworthy. Meanwhile, it has an authorized self - owned brand, ensuring its quality.