Custom Sound Attenuation mod for ETS2 version 1.43.
This will make interior sound more had a bass effects & more isolated.a
Maybe some of the existing sound mods will be weird if you combine them with this mod.
Therefore you need to update the sound mod to the latest version + also need to change the sound configuration.
Work on all default scs truck and payware mods (Fred).
Custom Sound Attenuation (Ets2 V1.43) Download - modsfire.com