METHOD FOR PRODUCING AN ABSORBING SOUND INSULATION ELEMENT, AND ABSORBING SOUND INSULATION MOTOR VEHICLE TRIM ELEMENT

The invention relates to a method for producing an absorbing sound insulation motor vehicle trim element having a four-layered structure made from a first foam layer, a second foam layer, a non-woven foam layer and a non-woven fabric layer. The invention further relates to an absorbing sound insulation motor vehicle trim element.