Material and build Zinc alloy with 24K gold plating and a polycarbonate shell. Durable and corrosion resistant with reliable conductivity and safety performance. Function and protection Primarily used for connections to audio power cords and to protect your car's audio system. The fuse protects the circuit: when current exceeds the rated value, the fuse burns out and automatically disconnects to prevent damage. Design and usability Heat resistant base for stable operation. Compact, spacesaving design suitable for tight automotive installations. Clear cover protects the wiring connection from dirt and debris while providing a professional appearance. Key attributes Material: zinc alloy with 24K gold plating; polycarbonate shell Safety: safety performance with automatic disconnect on overload Compatibility: designed for automotive audio power connections Size: compact footprint for easy integration Performance: reliable electrical contact and protection for car audio circuits Use scenarios Aftermarket amplifier installation: connect the power line from the car battery to the amplifier with builtin fuse protection to prevent overload damage. Car audio upgrades: wiring a head unit or subwoofer while ensuring a protected, neat, professionallooking connection. DIY wiring projects: organize and protect power cord connections in custom car audio setups, reducing risk of dirt ingress and electrical faults.