Mp40 power supply problem？

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jacky.l

jacky.l

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The power supply of mp40 sold in China has the sound of current. Is it normal?

72a708b30f2442a700f0d950dd43ad4bd31302bb.jpg
 
__Jreef__

__Jreef__

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Depending of where you live you may get the buzz sound - Weird I know :rolleyes:
 

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