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500MHZ noise after firmware update on EON712

After I did a firmware update on my 3 EON712s, they have a constant noise at 500mhz. No change in volume regardless of what setting I change on the speaker. Once I have an input signal that rises above the noise floor, you can't hear it. But when I stop the music, it's there and not acceptable. Has anybody else come across this? And if so, is there a solution to stop the noise? See and hear attached video with audio. https://youtube.com/shorts/GjJrUT0AEJE?si=hZqu7giTXh4Y6ZR0


  • Hi, I have the exact same issue since I updated the firmware on my EON715. I made a YouTube video to show the issue. I wrote to the company 2 days ago. No answer for now.

  • Hi guys, I have same issue when I updated my both PRX915. Same tone on both speakers

  • KingBKingB Posts: 2
    I also got the same issue on both my EON712 and EON715 after the latest update This sound is really annoying!! Please JBL - can you fix this issue asap - please!
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