Currently 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 new templates, or search for the best ways to click.Consultation to continue to survive. Therefore, the purpose of the research at this time in order to find the update of the PA sound system, and the creation of new innovations by means of a combination of Bipolar + MOs fast in order to maximize trade and end consumers as well as entrepreneurs who are involved with all applications. Efficiency and maximum benefit to users of products under all conditions of use.
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