The car audio A pillar modification high and mid range speaker mold is a must have for anyone looking to improve their vehicle's sound system. The 1.5 inch and 3.5 inch bracket base ring offers a stable platform for your speakers, ensuring that you get the possible audio quality. This modification allows for precise speaker placement, resulting in immersive and enjoyable listening experience. Features -Color:Black -Material:Plastic -Size:17.50X10.50X1.50cm/6.88X4.13X0.59in -Extensive compatibility: universal plastic speaker rings suitable for a variety of car audio systems, offering wide ranging compatibility -Secure and stable: flat speaker mounts and installation brackets ensure a secure and stable installation for your speakers -Easy to install: with simple installation steps, these speaker mounts are ideal for diy enthusiasts looking to upgrade their car audio -Durable material: made from robust plastic, these speaker mounts are durable and resistant to deformation, ensuring longterm use -Improved sound quality: the design of the speaker brackets enhances sound quality, delivering audio performance in your car Package list: 1 pair car audio base ring