A. This car audio car subwoofer amplifier connection cable kit is made of 8GA pure copper. Pure copper has good electrical conductivity and signal transmission ability, which can provide stable and efficient power and audio signal transmission for the car audio system, ensuring pure and lossless sound and allowing you to enjoy an immersive audio experience close to the live one in the car. B. It is thoughtfully designed with a fuse, which can effectively protect the equipment during use, prevent damage to the audio system due to abnormal current and other situations, and ensure the safety of the car audio equipment. Both the audio cable and the power control cable are carefully designed and manufactured to ensure stable operation in the complex car environment, bringing you a consistently good audio experience. C. This cable kit is suitable for connecting car audio car subwoofer amplifiers and can meet your pursuit of good music while driving. Whether on a long - distance trip or daily commute, it can let you immerse yourself in the wonderful world of music and forget the fatigue of the journey. Consumers in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia and the Middle East can all feel the charm of music through it. D. In addition, it has an authorized own brand, and its quality is trustworthy.