A. This is a fuse holder, also known as a fuse or fuse box splitter, designed specifically for car audio system modification. It is made of good materials and cleverly designed, with a one-to-two function to meet different power consumption needs. B. This fuse holder has good adaptability and is suitable for common car models. No matter what type of car you drive, you can easily install and use it. Its delicate design can not only provide stable current for the car audio system and play a certain protective role, but also prevent audio faults caused by unstable current, creating a safer and more stable audio usage environment for you. C. For users who want to modify and upgrade their car audio systems, this fuse holder is a practical accessory. It can help optimize the circuit layout of the car audio and improve the overall performance of the audio, allowing you to enjoy a better music experience during your journey. D. It has a wide sales range and is popular among consumers in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. In addition, it has an authorized private brand, and its quality is reliable.