1. This is a multi-functional fuse box designed specifically for upgrading car audio systems. It is made of brass, offering excellent durability and electrical conductivity. 2. This fuse box features a unique design with LED lights, adding convenience and a sense of technology to the usage process. It has a wiring function of four-way/two inputs and four outputs, which can effectively achieve reasonable distribution and management of circuits to meet the complex wiring requirements during the upgrade of car audio systems. 3. This fuse box has strong adaptability and is suitable for general vehicle models. No matter what kind of car you drive, you can easily install and use it. It is an ideal accessory for upgrading car audio systems. Both professional car audio modification shops and enthusiasts who like to upgrade their car audio systems by themselves can use it to build a more stable and efficient car audio system. 4. It is not only popular in the local market but also well-received in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. In addition, it has an authorized own brand, and its quality is trustworthy. Choose this multi-functional fuse box to bring a different experience to the upgrade of your car audio system.