How to Fix B&O Beosound A9 4th Gen Plastic Casing Rattling Noise Issue

The moment I unboxed my new &O headphones, frustration started creeping in. Every time I played music, the plastic casing would randomly crackle from thermal expansion – like popcorn popping in my ears! The worst part? Even when powered off, those annoying sounds persisted. Seriously, what gives?

How to Fix B&O Beosound A9 4th Gen Plastic Casing Rattling Noise Issue
How to Fix B&O Beosound A9 4th Gen Plastic Casing Rattling Noise Issue

Fellow 🍠 squad, please tell me I’m not alone in this! Has anyone else dealt with these temperamental headphones? How did you fix the issue? Honestly, if this is the build quality we’re talking about, I’d strongly recommend potential buyers to reconsider before splurging! Save your coins and your sanity!

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By Charles Jordan

Passionate about technology and innovation.

24 thoughts on “How to Fix B&O Beosound A9 4th Gen Plastic Casing Rattling Noise Issue”
  1. Ugh, same here! Those rattle noises drive me nuts, especially since they don’t go away even on quiet tracks. I’ve tried stuffing small foam pieces inside, but it’s only a temporary fix. Hoping someone found a more permanent solution!

  2. I feel your pain! I had the same issue with my A9 4th Gen—super frustrating. Tightening the screws on the casing helped reduce the noise for me, but it’s definitely not a perfect fix. Hopefully, Bang & Olufsen addresses this in future updates.

  3. I feel your pain! I had the same issue with my Beosound A9 4th gen—super frustrating. Tightening the screws on the casing helped a bit, but it’s still not perfect. Maybe contacting Bang & Olufsen support will yield better results?

  4. I feel your pain—those rattling noises can be so distracting! I had a similar issue with another speaker model, and what finally worked was using foam inserts to dampen the vibrations. Maybe try checking if any small parts inside are loose and could be secured?

  5. Ugh, same here! Those rattle noises drive me nuts, especially since they don’t go away even when the sound is off. I’ve tried wedging small bits of foam in there, but it’s only a temporary fix. Hoping someone finds a permanent solution soon!

  6. Ugh, same here! It’s so frustrating, especially since they’re not cheap. I ended up stuffing a small cloth inside to muffle the noise, but it’s definitely not a permanent solution. Hoping someone finds something better!

  7. Ugh, same here! My Beosound A9’s casing rattles like crazy, even after tightening all the screws. I tried stuffing small foam pieces inside but it only helped a little. Hoping someone finds the ultimate fix soon.

  8. Ugh, same here! Those rattling noises drove me nuts, especially since they didn’t stop even when the speakers were off. I ended up stuffing a tiny piece of foam inside to quiet things down – not ideal, but it works for now. Hope Bang & Olufsen addresses this soon!

    1. Thanks for sharing your experience! It sounds like you found a temporary fix that works, and I agree that some creative solutions can make a difference. I hope B&O addresses this issue officially soon too – it’s definitely frustrating when it happens consistently. Thanks for chiming in – your input is really helpful for others dealing with the same problem!

  9. Ugh, same here! My Beosound A9 rattles like crazy too. I tried tightening the screws and adding some foam padding, but nothing fully solved it. Still looking for better solutions though – hope we can all get some peace from those pesky cracks!

  10. Ugh, same here! Those rattling noises drive me crazy, especially since they don’t stop even when it’s off. I ended up stuffing a tiny piece of foam inside – it’s not perfect but helps a bit. Hope Bang & Olufsen addresses this soon!

  11. Ugh, same here! My Beosound A9 rattles like crazy too. I tried tightening some screws and adding foam padding, but nothing fully stopped it. Still searching for a perfect solution. Any other tips out there?

  12. Ugh, I had the exact same issue with my A9! The random crackling drove me nuts, especially during quiet parts of songs. Ended up using some thin foam strips between the casing seams – not perfect but helped a lot. Really disappointing for such an expensive speaker though.

  13. Ugh, I had the exact same issue with my A9! The random crackling drove me nuts until I stuffed some thin foam strips between the casing seams. Not ideal for a premium speaker, but at least it’s quiet now. B&O really needs to address this design flaw.

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