Ear Force X3 - FAQs
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Specs - Power Supply 
  

The Power Supply included in the X3 package is by default for domestic use 
in the USA. While it supports other Voltages used Overseas of up to 240 Volts,
one would need an adapter for the physical connection to the local electric 
AC Outlets.   

Power Supply Specs:
    Model No.:    TSA9-090066WU
    INPUT:        100-240V~50/60Hz 0.2A MAX
    OUTPUT:       9V 0.66 A (Set at 0.35 A)
    S/N: T5W07 31-000235
 
CAUTION: 
  Use only the supplied Power adapter. Failure to use the correct adapter
  can result in fire, damage of the unit or other hazards. 
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