A. This car audio accessory is made of pure copper, ensuring a good quality. It has a unique design and comes in two specifications: one male and two female connectors, and one female and two male connectors, which can meet different connection needs. B. As a conversion cable for car audio sub - woofer amplifiers, it can effectively convert and transmit audio signals, allowing you to enjoy decent music in the car. Whether used as an audio cable, signal transmission cable, or speaker cable, it performs relatively well and is a good option for enhancing the car audio effect. C. Thanks to the high - quality pure copper material and careful design, it can ensure stable and efficient signal transmission, creating a clearer and more three - dimensional sound environment for you. D. It is suitable for multiple sales regions, including Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and is popular among consumers around the world. In addition, it has an authorized private brand, and its quality is trustworthy.