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AS-2712U 
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    > R.M.S.:4W
    > Frequency response: 100Hz~20KHz
    > Dimension:72(L)*88(W)*118(H)mm
    > Magnetically shielded:NO
    > Connection:USB Connection
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    2018 Version Catalogue,Please download,At the top. Copyright © 1997-2018 Satellite Inc.All rights reserved.