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      S21

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      ApplicationFeature
      Touring PerformanceHigh power and high sensitivity neodymium magnetic unit
      Music FestivalHigh output box structure
      StadiumLower limit of ultra-low frequency
      TheatreThree sided stacking mode

      		Two point hanging method

      		Four sided multi-directional hand drawing Draw  hand



      Technical parameters

      Frequency response32Hz ~ 150Hz(士3dB ) 28Hz ~ 200Hz (-10dB )
      Nominal Coverage(-6dB)Omnidirectional
      Sensitivity (@1w/1m)102dB SPL
      Power Rating （AES）1800W

      Nominal Impedance2 Ohm

      Max SPL134dBSPL , 140dB SPL peak
      Drivers1 x21"(135mm voice coil) woofer




      Physical data

      Dimensions819x 718 x 925 mm
      Weight

      105Kg


      Suspension / support:wo point hanging (side) / three stacking modes
      Connectors1xNL4 connectors
      Speaker Cables1-2+

      Materials24mm Baltic birch plywood
      FinshBlack polyurea paintings .
      Grille

      Black epoxy mesh grille with acoustically

      reticulated foam


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