This ground wire hub for negative grounding and wire splitting box for car audio modification power amplifiers is exquisitely designed. It is made of zinc alloy material and weighs only 0.145 kg, which not only ensures a certain degree of sturdiness but also facilitates installation and portability. It has a wide range of applications, suitable for multiple fields such as electronics, power, machine tools, instruments, transportation systems, and automobiles. In the field of car audio modification, it plays an extremely important role in helping to optimize the grounding of the audio system and improve the sound quality performance. The dimensions of this wire splitting box are 48 * 58 * 30 mm. It is compact in size, does not take up much space, and can be flexibly installed in a suitable position. Its working voltage ranges from 12 to 48 V, with a power of 10 W and a signal - to - noise ratio of 10 dB. It can stably provide a good grounding environment for equipment and ensure the stable operation of the equipment. It is worth mentioning that it has a universal applicability to vehicle models. No matter what kind of vehicle it is, it can be easily adapted, providing convenience for your car audio modification. In addition, it has an authorized self - owned brand, ensuring the quality and making you feel more at ease when using it. It is sold in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and is well - loved by users in various places. This wire splitting box has a specification design with a black base and a transparent part, which is simple yet practical.