(1) It shall be unlawful to operate, play or cause to be operated or played on school grounds or in a motor vehicle located on school grounds or parked on a road adjacent to school grounds, any radio, television, phonograph, stereo, tape player, disk player or other similar device which produces, reproduces or amplifies sound in such a manner as to be audible beyond the boundaries of the school grounds or at a distance of more than fifty (50) feet from such radio, television, phonograph, stereo, tape player, disk player, sound amplifier or similar device.

(2) Subsection (1) of this Section shall not apply if the device described in Subsection (1) of this Section and the volume of sound therefrom are specifically authorized by the government or public agency operating the related public school in conjunction with a scheduled activity.