Best soundproofing foam or panels?

I am looking for something relatively affordable that can help soundproof a single room (or wall). Not really concerned about echo cancellation or acoustics and all that jazz — simply put, I want to minimize the noise that is heard from adjacent rooms or units. Already looked on Amazon and Google but they all... show more I am looking for something relatively affordable that can help soundproof a single room (or wall).

Not really concerned about echo cancellation or acoustics and all that jazz — simply put, I want to minimize the noise that is heard from adjacent rooms or units.

Already looked on Amazon and Google but they all seem to be focused on acoustics and the sound inside the room. Anyone have ideas?
1 answer 1