1、Application: Door speaker adaptor ring is suitable for 6.5in car speaker, exquisite and careful workmanship, it can match up with your speaker perfectly, 2、Come with Wires: Equipped with speaker wiring harness, easy for you to install aftermarket speaker, instead of cutting factory wiring harnesses, more convenient to use. 3、Premium Material: The door speaker adapter is made of thick ABS plastic, which is crack resistant and abrasion resistant, can reduce vibration and maintain optimal sound. 4、High Quality: The manufacturing conforms to the standard specification, strictly follows the factory quality control, door speaker mounting bracket can be used for a long time. 5、Recommendation: Before installing, add some silicone adhesive to the door at the speaker opening. Doing this holds the speaker in place when you screw it in, and also acts as a bumper to absorb some of the vibrations from the speaker when it's installed.