A. The O-shaped terminals for power wiring of car audio modification lines are specially designed for car audio modification. They are made of high-quality pure copper and treated with nickel plating. This design is not only aesthetically pleasing but also can significantly improve the product's conductivity and durability. B. The solderless design simplifies the operation. Even those without professional soldering skills can easily complete the installation, saving a lot of time and effort. In addition, it has a relatively high current-carrying capacity and can stably transmit power, ensuring the stable operation of the car audio system and bringing you a better music experience. C. This product is available in a variety of specifications. Whether it is a large audio device with relatively high power requirements or an ordinary car audio system, you can find a suitable specification to match, meeting different usage needs. D. It is suitable for many regions around the world, including Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, the Middle East, etc., and has received wide recognition and good reviews. It also has an authorized private brand, so the quality is trustworthy. Whether you are a car audio enthusiast doing self-modification or a professional car audio modification shop, this terminal is a good choice.