Sec. 4-159.5 Advertising.
   No adult entertainment business shall be conducted in any manner that permits, from the outside of the establishment, the observation of any activities or materials depicting, describing or relating to topless or bottomless dancers, go-go dancers, exotic dancers, strippers, or similar entertainers or form of entertainment.
   No adult entertainment business shall advertise said business on the outside of such premise by means of materials which are distinguished or characterized by an emphasis on matter depicting, describing or relating to specified sexual activities or specified anatomical areas for observation by patrons therein.
   No outside loud speakers may be utilized, nor may the music or entertainment be conducted at sound levels such that the content of the lyrics or commentary is discernible outside or beyond the premises.