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Humming, buzzing or rattling noise heard from product | SoundTouch® 130 home theater system
Where is the rattle heard?
From the remote control
Remove the batteries from your remote, then check if the rattle is still present.
Battery diameters can vary slightly by brand. Lesser diameter batteries could shift enough in the remote to cause a rattle when moved. If the rattle is not heard with the batteries removed, try a different brand of batteries.
From another system component
Be sure the rattling noise is not something on or near the system.
A loose item on or near the system may be vibrating when certain frequencies or volume levels are played. Secure any loose items or move the system or items to another location if the system sound is causing nearby items to rattle.
If your soundbar is wall-mounted, be sure the the mounting bracket is connected securely.
Check that the connections from the bracket to your soundbar and from the bracket to the wall are secure.