This car audio amplifier modification distribution box is specially designed for car audio modification and is suitable for all car models, with wide applicability. It is made of zinc alloy nickel-plated material. This material is not only strong and durable but also can effectively resist the erosion of the external environment, ensuring the stable performance of the distribution box during long-term use. With a unique design, it is available in various specifications such as one-to-two, one-to-three, and one-to-four, which can meet the diverse needs of different users. As a key component of car audio amplifier modification, it can reasonably distribute the ground wire, acting as a hub to provide a stable negative connection for the car audio system. During the car audio modification process, using this distribution box can enhance the stability and sound quality of the entire audio system, allowing you to have a more excellent auditory experience. It is sold well in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, and its quality is recognized by many consumers. At the same time, it also has an authorized self-owned brand, ensuring the quality.