solution home » services » solution When do I know I need an amplified sound permit?If you plan to have amplified sound at your event, the request must be made at least 30 days prior to your event date. Amplified Sound may last only during the times set forth in the Permit, but in no event shall it last longer than six consecutive hours.2013 DPRCA Policy RulesThis Article was created on: 02/23/2014This Article was last updated on: 02/12/2019