432.42 LOUD SOUND AMPLIFICATION SYSTEMS PROHIBITED.
   (a)   No operator or passenger of a motor vehicle shall operate, or permit the operation of, any amplification system which can be heard outside the vehicle from fifty or more feet when the vehicle is being operated upon a street or highway.   
   (b)   “Sound amplification system” shall include any radio, tape player, compact disc player, loudspeaker or other electronic device used for the amplification of the human voice, music or any other noise or sound.
   (c)   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 and operated by the City, or a gas, electric, communications, refuse, or water utility company;
      (4)   The vehicle was being used in a parade, within the meaning of Section 412.06 of the Traffic Code, and the person or organization conducting the parade has obtained a parade permit from the appropriate City agency.
(Ord. 66-97. Passed 1-27-98.)