“null Using 3.5mm cable, there is a persistent buzzing sound, but the TV I'm connecting to does not have Optical or Bluetooth as options. What can I do to stop the buzzing?”
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Thank you for your inquiry! A persistent buzzing sound when using a 3.5mm cable can be quite annoying. To resolve this issue, ensure that the 3.5mm cable is securely connected to both the TV and the soundbar, as loose connections can often cause buzzing sounds. If the problem persists, try using a different 3.5mm cable, as the cable itself might be faulty. Additionally, move the soundbar and cable away from other electronic devices and power sources to avoid interference. Check the audio settings on your TV to ensure the audio output is set correctly and try adjusting the volume levels. If the buzzing is due to a ground loop issue, using a ground loop isolator can help eliminate the noise. If these steps don't resolve the issue, it might be worth contacting Insignia customer support for further assistance. Keith | Insignia Support
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