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Hello Guys, I went through this topic and want to ask if there is really a sound improvement after 1800 upgrade? So far in the whole discussion I only saw one comment about this and want to be sure, as the upgrade hide some risks. I am currently on 1760 and don't have any issues, connecting iphone 12 to carplay via cable. What I have noticed is the sound is with worst quality via car play.. With BT is quite louder, but I think the best I've heard of the sound system is via DAB radio.

Thanx @nta16, I think I got your point! I have already ordered some cheaper insulation with which I can give a try, but wanted to check if this wouldn't be a better solution.

I want to improve the sound quality of the fabric speakers. But haven read some forum threads and watched few vides, I guess I will not achieve a lot only with insulating the inner sheet of metal, so I will try doing the outer as well.. As of materials - is anyone tried this kit? - https://ctk.uk.com/products/ctk-standard-pro-door-kit

Hello Guys, I've decided to improve a bit the sound in my Kamiq and based on experience on previous cars, also haven read some articles in the forums, this time my intention is to start with sound deadening. From what I've read improvement should be quite satisfying against to the money spent and the whole difficulty of the mod. The car is '22 Kamiq with Amundsen audio system I believe (touch screen with volume knob and another knob at other side), 4 speakers in the doors. I am planing to start deadening the four doors. One thing I wonder, hope guys who have already did this have an idea is which panel is more important to be isolated - the inner one, where the speaker is mounted, or the outer panel (behind the speaker)? I am asking this, because if the inner panel is making more of the difference, I'd do it only for it, so I can skip drilling the riv nuts holding the speakers and risking to make some damage there, as the car is still in warranty.