Description: Description of the product, its technical properties and, if applicable, its application (long text); Name: manufacturer's product description
Description: Description of the product, its technical features and implementation if needed (long text); Name: Manufacturer product description
Description: through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound power