1. This wiring splitter for car audio amplifier modification is an essential accessory for car audio enthusiasts! It comes in various forms such as wiring junction boxes and splitters, and can perform functions like splitting one fuse into two, and one output into two. It is suitable for various car audio amplifier modification scenarios. 2. It is made of pure copper. The properties of pure copper endow it with good electrical conductivity and durability, ensuring stable operation in the complex electrical environment of a car. It provides stable current transmission for car audio, making the sound purer and more stable, and effectively reducing noise and interference. You'll feel as if you're at a concert and fully enjoy the music experience. 3. In terms of design, it offers multiple specifications to choose from, including one - to - two, one - to - three, one - to - four, and square one - to - four. You can flexibly match them according to the needs of different car audio systems to meet diverse modification requirements. Whether it's a simple audio upgrade or the construction of a complex multi - channel system, it can handle them with ease. 4. Due to its excellent performance and flexible design, this splitter is popular in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and is recognized and trusted by users. If you're looking for a reliable wiring splitter for car audio amplifier modification, it is definitely a good choice.