This car audio in - car subwoofer amplifier connection cable kit is made of 8GA pure copper. Pure copper has excellent electrical conductivity and signal transmission capabilities, which can provide stable and efficient power and audio signal transmission for the car audio system, ensuring pure and lossless sound quality and allowing you to enjoy a live - like, immersive audio experience in the car. It is thoughtfully designed with a fuse, which can effectively protect the equipment during use and prevent damage to the audio system caused by abnormal current and other situations, safeguarding the safety of your car audio equipment. Both the audio cables and power control cables are carefully designed and manufactured to ensure stable operation in the complex in - car environment, bringing you a consistently high - quality audio experience. This cable kit is suitable for connecting car audio in - car subwoofer amplifiers, meeting your pursuit of high - quality music while driving. Whether on a long - distance journey or daily commuting, it can immerse you in the wonderful world of music and make you 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 ultimate charm of music through it. Moreover, it has an authorized proprietary brand, and its quality is trustworthy.