This is a power fuse holder and fuse box specifically designed for car audio systems. It comes with audio fuse cartridges and is also equipped with a waterproof rubber sleeve. In terms of design, it offers a variety of specifications, including one - to - one, one - to - two, one - to - three, and one - to - four configurations. This can meet the diverse needs of different users. Whether it's a simple circuit setup or a more complex system, users can find a suitable specification. The waterproof rubber sleeve is a major highlight. It can effectively prevent moisture from intruding, protecting the fuse holder and fuse cartridges. This significantly enhances the product's stability and durability in various environments and reduces the occurrence of failures caused by moisture issues. In terms of usage, it is mainly applied in car audio systems, providing stable and safe power supply for audio equipment. When an abnormal current occurs in the circuit, the fuse cartridge will blow in a timely manner, cutting off the circuit to avoid damage to the audio equipment caused by excessive current and ensuring the normal operation of the car audio. Thanks to its reliable performance and practical design, this product is sold well in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. Moreover, it has an authorized private brand, and its quality is trustworthy.