AbstractsCurrently the band audio P.A in Thailand are still experiencing many problems, which, compared to the international standards that have many points to the need to develop. Again both the investment that requires high cost but there is a point worth relatively little and do not balance each other cause the production operators and consumers lack strength in operations and to services, which led to the invention of a new template, or find a good sat.To perform the following to survive. So, in this research, the research on the model of development in order to find the update of the PA and sound system to create innovative solutions to maximize trade and end consumers as well as entrepreneurs who are involved with all applications with the following sustainability.
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