This is a waterproof fuse and two-way fuse holder for power cords specifically designed for car audio systems. Its design is very delicate and it is made of zinc alloy. This material endows the product with excellent durability and stability, enabling it to be used for a long time in complex automotive environments and providing reliable protection for car audio equipment. This product has wide applicability and is compatible with general vehicle models. No matter what kind of vehicle you drive, you can easily install and use it. It can accurately protect car audio, car amplifiers, subwoofers and other equipment. During the current transmission process, it effectively protects the equipment from damage caused by abnormal current, ensuring the stable operation of the audio system and allowing you to enjoy a high - quality music experience while driving. It is not only suitable for domestic vehicles, but also highly popular in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It has an authorized self - owned brand and its quality is trustworthy. With its excellent design and practical functions, this product is an ideal choice for improving the performance of car audio.