Sound Amplification
Sound Amplification within the city requires an approved permit
Sec. 3-6. Sound trucks and sound-amplifying devices.
(a) It shall be unlawful for any person to operate or permit to be operated in the city any sound-amplifying devices or equipment for any purpose whatever, whether the same be stationary or operated from a vehicle, unless a permit has been obtained from the city council to do so; provided, however, it shall be unlawful for any person to make any loud and raucous noise to the disturbance of the peace. Any person to whom a permit has been issued under this section who abuses his discretion and causes or permits loud and raucous noises shall subject the permit to immediate revocation.
(b) The words "sound-amplifying equipment" as used in this section shall mean any machine or device for the amplification of any sound.
(Code 1975, § 32-25)

Sound-Amplification Permit