point source: Describes an ideal concept in which the sound comes from a single point and propagates through space as a spherical wave. In practice, however, "point" must always be seen in relation to the listening distance, so at a large distance from a Sound wall with multiple Chassis, these can definitely be regarded as point sound sources.
However, if you move closer, the "point" (relatively speaking) expands again. The spherical dispersion characteristics This is also only possible approximately, namely when the membrane diameter of the chassis is significantly smaller than the wavelength of the transmitted signal (see Fig diffraction).