What kind of material makes the sound bom?

Answer 1

The closest thing to answer this question is to define a sonic boom which is a large explosion like noise made when the sound barrier is broken. it is very similar to thunder.

Answer 2

Materials that produce a "bom" sound typically have a low-pitched and resonating quality. This can be achieved with materials such as large drums, gongs, or deep-pitched instruments like the tuba or Bass Guitar. Additionally, certain types of wood or metal can also create a similar booming sound when struck or hit.