Having problems with your MidiLand MLi 270TA Computer Speakers ?

Burnt part on Speaker's board

\015 On the Speaker's board there is a transistor or something, I cant tell because it is burned, but there is a serial saying U3 below it, what is it and is it replaceable?\015

Answers :

Get rid of them if you try to use them again they may catch fire (this happend to me)
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