A. This is a practical accessory designed specifically for car audio amplifier modification - a grounding box distribution box hub splitter, which also comes with a fuse holder. Its design is very user - friendly and suitable for various common car models. It can be well adapted to different cars to meet the modification needs of different car owners. B. Its original - factory matching relationship ensures the reliability of the product in terms of quality and performance. In car audio amplifier modification, it can achieve the splitting functions of one - to - two and one - to - four, making the circuit connection more orderly and convenient, and effectively improving the stability and sound quality performance of the audio system. C. Whether you are a car audio enthusiast pursuing a good music experience or an ordinary car modification enthusiast, you can relatively easily complete the modification of the car audio amplifier with the help of this distribution box and enjoy the music in the car. D. In addition, it has an authorized self - owned brand, and its quality is trustworthy. It not only performs well in the domestic market but also has good sales in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and is well - liked by consumers.