Q. “Why do I need acoustic panels and what is the difference between foam and acoustic panels?” and Does acoustic foam soundproof a Room?

A.Watch this acoustic treatment demonstration

You can hear the difference between an untreated room, a room treated with foam panels (egg carton soundproofing), and a room treated with acoustic sound panels made out of Roxul SAFE n SOUND AcousticalFire Batts, Mineral Wool (Fireproof & Soundproof).