The problem in the config //volumeFactor// value
`CfgSoundSets → Explosion_Debris_SoundSet → volumeFactor →` **"0.9 * (1 - sea)"**
Due to this parameter, the sounds of вebris after the explosion //**never worked**// in the game
But note that with the release of the DLC Laws of War, new debris sounds for other types of explosions have been added, check they config:
`CfgSoundSets → UXO_Debris_SoundSet → volumeFactor →` **1**
I changed this setting for `Explosion_Debris_SoundSet` to equal to `UXO_Debris_SoundSet` and now sounds from Explosion_Debris_SoundSet work!
Check this YT video https://youtu.be/nALgyA952nM