Description 

 D2 series powered speaker module consists of class D amplifier board; switching power supply and DSP module.  The only difference between D2L and D2S is installation dimension. D2L-SUB8 and D2S-SUB8 is only for 8 ohms load.  D2L-SUB4 and D2S-SUB4 can load 8ohms and 4 ohms, it is RMS900W at 8ohms load; it is RMS1800W at 4 ohms load. one D2L-TWO and D2S-TWO module can power another bi-amped speaker
 
D2 series have eight models 

D2 Series Feature

1>. High Output Power: Max RMS1800W;
2>. Light Weight: D2S is only 3.8KG; D2L is only 3.6KG
2>. Compact Installation Dimension for all kinds of cabinet box: 
The installation dimension of D2L module ( L*W*D ) is 312*190*90mm
The installation dimension of D2S model ( L*W*D ) is 312*140*126mm
3>. D2 series module has two version operation voltage:
   The 115V version can operate from 90V to 135V voltage range; 
   The 230V version can operate from 180V to 265V voltage range
4>. Each model of D2 series module is mounted an agile DSP module for versatile PA Systems Performance, you could manage this PA system via PC which connected with a USB or RS-485 cable