密封胶带隔音效果很小，再说整个车任何一处都可以传导噪音。

需要2 层， 贴满整个车门，车底，车箱。 有人连车顶也贴：

1.https://www.amazon.com/Noico-deadening-Automotive-Insulation-dampening/dp/B01KZ5X7KO/ref=sr_1_9?crid=2YY4L2X7RJCFN&dchild=1&keywords=second+skin+sound+deadening&qid=1588456176&sprefix=second+ski%2Caps%2C248&sr=8-9

2. https://www.amazon.com/Second-Skin-Luxury-Liner-Soundproofing/dp/B01NAFWT3S/ref=redir_mobile_desktop?ie=UTF8&aaxitk=zFBOVyqGs91AftVcvdM1ZQ&hsa_cr_id=6692317320401&ref_=sb_s_sparkle