A. This is a ground box that converts from 2 to 6, specifically designed for car audio amplifier modification. It can also be used as a junction box, a cable management box, and a splitter, and is equipped with a fuse holder. B. It is compatible with all car models and has a matching relationship with original equipment manufacturers (OEMs). No matter what type of car it is, it can be easily matched to meet different usage needs. C. In terms of design, it has been carefully considered to provide a stable and efficient wiring solution for car audio amplifier modification. The 2-to-6 design can reasonably distribute the circuits, making the wiring of the audio system neater and avoiding problems such as signal interference caused by messy wiring, effectively improving the sound quality performance of the car audio. The design of the fuse holder provides protection for wiring safety. When an abnormality occurs in the circuit, it can cut off the current in time to protect the audio equipment from damage. D. Whether you are upgrading and modifying your car audio or solving the problem of messy wiring, this ground box is a good choice. It is widely applicable globally, for example, in Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It can perform well in different car usage environments. In addition, this product has an authorized private brand, and its quality is trustworthy.