It shall be unlawful for any person within any residential zone of the city to use or operate any sound amplifying equipment between the hours of ten o'clock (10:00) P.M. and eight o'clock (8:00) A.M. of the following day in such a manner as to be distinctly audible at or beyond the property line of the property on which the equipment is located. (Ord. 11-O-2613, eff. 10-31-2011)