The special characteristic is to make the low bass unit to bear large power rating,also to assure the good sound quality when the larger power rating output.On dealing with the key equipment such as the unit manufactuing,the strucure of case body,frequency divider are all by calculated and adjustment acurately by relevant soft.Extend the floor level of the frequency on the sound level remaining position.Also extend the using place from the multifunction meeting to variable meeting,touring.
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