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Humming, buzzing or rattling noise heard from product | Companion® 2 multimedia speaker system
If you hear an unexpected noise from your product:
Try the following:
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.
Be sure the system is set up properly and all connections are secure.
A connection may have come loose or may be connected incorrectly. For more info, see Setting up your product.
Try connecting a different audio device.
If available, connect another audio device using the same cables and connections to determine if the issue is related to the first device or its settings.
Reset your product.
Much like rebooting a smartphone, your product might need to be reset on occasion to correct minor issues. For more information, see Resetting your product.
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