A. This mini matte safety fuse holder is designed for upgrading car audio systems. It is compatible with all vehicle models, having an original - factory matching relationship, and can provide stable and reliable protection for your car audio system. B. It is made of zinc alloy and weighs only 61 grams. It is both durable and lightweight, making it easy to carry. There are various specifications available, including 30A, 40A, 60A, 80A, 100A, and 150A, which can meet different current requirements. C. In terms of design, it has been carefully polished to present a matte texture. This not only makes its appearance elegant but also effectively prevents scratches and fingerprint residues. This unique design makes it stand out among many similar products and is a good choice for upgrading car audio systems. D. It has a wide range of uses. Whether for daily driving or professional car audio system upgrades, it can play an important role. As a power fuse holder and circuit breaker, it can cut off the power supply in time when the circuit is overloaded or short - circuited, protecting car audio equipment from damage and ensuring your driving safety and audio experience. E. This product is popular in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It also has an authorized self - owned brand, and its quality is trustworthy. Choosing it means choosing peace of mind and protection.