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Posts: 1
Registered: ‎05-18-2020

HSB318 Buzzing

I connected this soundbar with red and white audio cables. I only have a buzzing sound coming out of the soundbar. Even when the TV is muted. I have double checked all of the connections. Any suggestions?

Posts: 2,528
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Registered: ‎10-19-2017

Re: HSB318 Buzzing

Hey, Jimh64,


Checking the connections was a great first step!  I’ll go through some basic suggestions here, so please be patient if your connection check already included any of these.

  • Make sure that you are connected to an audio OUT jack on your sound source. The port will not send audio out if it is an INPUT.
  • Make sure cables are not broken or damaged.
  • Try using a different audio cable.
  • Connect to a different source device to see if the buzzing still happens. If the buzzing isn’t present with the new source device, it can mean the issue is with the original source device.
  • Try using a different connection method (such as Optical) between the soundbar and the source device to make sure the jacks on both devices are still working.


I hope this helps! Please let me know how it goes.

Kayla|Social Media Specialist | Best Buy® Corporate
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