This fuse one-to-two/one-out-two ground wire box for car audio power amplifier modification, also known as a junction box or splitter, is made of pure copper. It features a unique design and high-quality materials, with approximately 84.4g of copper parts and about 69.7g of zinc alloy. For car audio power amplifier modification, it is a practical accessory. During the modification process, it can play an excellent role in wire splitting, helping to optimize the circuit layout, making the connection of the car audio system more orderly and stable. As a result, it can enhance the overall performance of the audio system and bring a better auditory experience to car owners. This product is popular in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. Moreover, it has an authorized private brand, so its quality is trustworthy.