Our speaker box terminal plate is a must-have for anyone looking to build or upgrade their car audio system. The heavy-duty speaker terminals provide a stable and reliable connection, ensuring your subwoofer delivers the sound. The terminal cup kit includes everything you need for a smooth installation, making it an essential component for any car audio project. Features -Color:Black -Material:Plastic, metal -Size:8.20X8.20X4.20cm/3.22X3.22X1.65in -Note:accessory color is random. -Improved audio performance: the terminal enhances the low frequency response of your car audio, providing a richer and more dynamic sound -Effortless installation: the spring allows for a quick installation process, suitable for users of all skill levels -Robust and : made with durable materials, this product is built to withstand use, ensuring it remains functional for years -Universal fit: compatible with a wide range of vehicles, including private, business, and offroad cars, making it a versatile choice for audio upgrades -Practical: the enhanced bass from the terminal elevates your music experience, making every drive more enjoyable and lively Package list: 1 speaker terminal