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The Sentry, designed and manufactured by FormulaSound, is a product which will help solve some of the environmental noise problems encountered in entertainment venues and industry today.
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The AT-1 has been designed to be used in conjunction with the Sentry MK2 environmental control unit.
In response to noise level regulations and demands from the trade for a level control unit which will work with any audio system, Formula Sound have designed the AVC2.
With the increasing demand for stricter fire and noise control regulations, Formula Sound have often been asked to "provide something that meets the requirements".