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nani17
Posts: 1
Registered: ‎04-23-2012
0

strange noise

I just bought the LS21 speakers today set them up and  started to test them by playing a movie. While watching the movie i noticed a strange ringing sound playing through the film so i stopped it and noticed it was coming from the speakers. Any ideas why it's making this noise when turned on.  I recored the noise 

 

http://www.youtube.com/watch?v=8eOMyMIOjJc

Retired Logitech Employee / Moderator (Inactive)
CarterW
Posts: 698
Registered: ‎08-30-2010
0

Re: strange noise

Hi nani17,


I would suggest testing the speakers in a second power outlet (plug directly into the wall if they are going through a power bar), as well in a different source (another computer, mp3 player, smartphone, etc...). If you experience the issue in these tests, unfortunately the speakers are defective.

 

Regards

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