Kurzweil K2700
        
          $ 588.05
        
        
          $ 2,940.27
        
      
      
      
        
      
      
    Note: Requires additional external power supply boost adapter (item 438425, not included); Voltage specifications with optional boost adapter: +12 V / 2000 mA, -12 V / 500 mA, +5 V / 170 mA.