1. This O-shaped terminal for bidirectional high-power connection of the power supply in car audio system modification is designed specifically for car audio system upgrades. It has a unique bidirectional high-power configuration design, which can fairly meet the relatively high requirements for power supply connection during car audio system modification and ensure the stable and efficient operation of the audio system. 2. In terms of specifications, there are various options. Whether it is 0GA or 4GA, they can meet the needs of different car audio systems. Whether you prefer the golden texture or the durability of nickel plating, you can find suitable specifications among these terminals. 3. Its main sales regions are extensive, including Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It has received good reviews from users in these regions. In addition, this product has an authorized self-owned brand, and its quality is guaranteed. 4. If you are modifying your car audio system, this terminal is a good option not to be missed.