1. This audio cable for car audio modification is specifically designed for the modification of subwoofers and power amplifiers in car audio systems, with a wide range of applications. 2. 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. 3. In terms of materials, it is made of pure copper. Pure copper has good conductivity, which can reduce the loss during signal transmission and ensure the clarity and stability of audio signals, allowing you to enjoy music in the car as if you were at a concert. 4. Its excellent design and high - quality materials can not only improve the performance of the car audio system but also bring you a more impressive 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 worthy of your trust. At the same time, it has an authorized self - owned brand, ensuring its quality.