1. This power cord is designed for upgrading car audio systems. It is compatible with various car models and has an original-equipment match. It features a unique design using oxygen-free pure copper and is equipped with tin foil shielding, which can effectively reduce interference. It can provide stable and clean power transmission for car audio systems, amplifiers, subwoofers and other devices, allowing you to enjoy an improved sound quality experience. 2. It comes in a variety of specifications, including different numbers of wire cores and lengths. For example, there are 10GA (462 cores) with aluminum foil and cable management sleeves, 8GA (735 cores) with aluminum foil and cable management sleeves, 6GA (1050 cores) with aluminum foil and cable management sleeves, 4GA (1862 cores) with aluminum foil and cable management sleeves, etc. There are also different length combinations to meet diverse usage needs. Whether you're a professional car audio modification shop or an enthusiast who likes to upgrade car audio systems on your own, you can find a suitable specification. 3. This product is suitable for multiple regions around the world. It can help many users solve the power connection problems during the car audio system upgrade process and provide a reliable guarantee for enhancing car audio effects.