337.29 LOUD SOUND AMPLIFICATION SYSTEMS PROHIBITED.
   (a)   No person operating or occupying a motor vehicle on a street, highway, alley, parking lot or driveway shall operate or permit the operation of any sound amplification system from within the vehicle so that the sound is plainly audible at a distance of fifty feet or more from the vehicle.
   (b)   “Sound amplification system” means any radio, tape player, compact disc player, loudspeaker or other electronic device used for the amplification of the human voice.
   (c)   “Plainly audible” means any sound produced by a sound amplification system from within the vehicle, which clearly can be heard at a distance of fifty feet or more. Measurement standards shall be by the auditory senses, based upon direct line of sight. Words or phrases need not be discernible and base reverberations are included. The motor vehicle may be stopped, standing, parked or moving on a street, highway, alley, parking lot or driveway.
   (d)   It is an affirmative defense to a charge under this section that the operator was not otherwise prohibited by law from operating the sound amplification system, and that any of the following apply:
         (1)   The system was being operated to request medical or vehicular assistance or to warn of a hazardous road condition;
      (2)   The vehicle was an emergency or public safety vehicle;
      (3)   The vehicle was owned or operated by the Village or a gas, electric, communications or refuse company;
      (4)   The system was used for the purpose of giving instructions, directions, talks, addresses, lectures or transmitting music to any persons of assemblages of persons in compliance with Section 311.02 of the Code;
      (5)   The vehicle was used in authorized public activities, such as parades, fireworks, sports events, musical productions and other activities which have the approval of the department of the Village authorized to grant such approval.
(Ord. 92-19. Passed 6-15-92.)
   (e)   Except as otherwise provided in this subsection, whoever violates this section is guilty of a minor misdemeanor. If, within one year of the offense, the offender previously has been convicted of or pleaded guilty to one predicate motor vehicle or traffic offense, whoever violates this section is guilty of a misdemeanor of the fourth degree. If, within one year of the offense, the offender previously has been convicted of two or more predicate motor vehicle or traffic offenses, whoever violates this section is guilty of a misdemeanor of the third degree.