The car audio A pillar modification high and mid range speaker mold is designed to enhance your vehicle's sound system. This 1.5 inch and 3.5 inch bracket base ring provides a sturdy foundation for your speakers, ensuring optimal sound quality. for car enthusiasts looking to upgrade their audio experience, this modification allows for precise speaker placement, resulting in immersive listening experience. Features -Color:Black -Material:Plastic -Size:17.50X10.50X1.50cm/6.88X4.13X0.59in -Versatile compatibility: universal plastic speaker rings suitable for most car audio systems, ensuring a wide range of applications -Stable and reliable: flat speaker mounts and installation brackets ensure that the speakers are securely and reliably installed -Easy installation: simple installation steps make it convenient for diy modifications, allowing you to upgrade your car audio system effortlessly -Durable material: made from plastic material, these speaker mounts are durable and resistant to deformation, ensuring use -Enhanced sound quality: the design of the speaker brackets can enhance sound quality, making your car audio system sound even better Package list: 1 pair car audio base ring