1、用隔音材料能很轻松把车门密封好。因为隔音材料能够渗透到车身钢板的细致缝隙中，且能够凸鹣沮北把铁板上的孔洞给卦严、密封死，从而把车门变成一个扎实、密封的箱体，则可以有效提高汽车音响的音质，给车主带来意想不到的效果。
![汽车音响改装：[3]吉利帝豪EC718-RV音响改装](https://exp-picture.cdn.bcebos.com/87c8bf46b7b1eef9c271e9cfbfb33c4132ba3260.jpg)
![汽车音响改装：[3]吉利帝豪EC718-RV音响改装](https://exp-picture.cdn.bcebos.com/c8373cbc7dc5cf67e29370f58e96b814f5d02660.jpg)
![汽车音响改装：[3]吉利帝豪EC718-RV音响改装](https://exp-picture.cdn.bcebos.com/460fdc8333bf3befe083f50b3f3ea8db564a1a60.jpg)
![汽车音响改装：[3]吉利帝豪EC718-RV音响改装](https://exp-picture.cdn.bcebos.com/5a5a00def4dca039f7d36b5f58d96975f3c40d60.jpg)
![汽车音响改装：[3]吉利帝豪EC718-RV音响改装](https://exp-picture.cdn.bcebos.com/f385f29959430401a432bbf1d66b04d148290560.jpg)
![汽车音响改装：[3]吉利帝豪EC718-RV音响改装](https://exp-picture.cdn.bcebos.com/059057299a8839131b29495d26bcbe2f46707c60.jpg)
![汽车音响改装：[3]吉利帝豪EC718-RV音响改装](https://exp-picture.cdn.bcebos.com/edafb3bcbe2f4770bed47a696f3b3b8603217960.jpg)