Question about Bose QuietComfort 15 Headphones
Hi, I recently purchased the Bose QC15's and noticed that there is a rattling noise coming out of the left ear cup. The rattling noise sounds as if something is loose (the driver for instance). It's not a high pitched crackle, rather a sort of loose rattling sound. Has anyone experienced this? I don't have warranty (bought it off ebay new factory sealed), but can confirm it's legit. I've searched the internet for answers but have come empty handed. Please help.
Sounds like you have blown out the cone on the speaker. Have you removed the covering to see if the speaker in that earphone is intact?
Posted on Feb 10, 2014
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Posted on Jan 02, 2017
SOURCE: Bose in-ear headphone cord cut
most head phones there two wires. those are the two that you most likly put together. if there is any metel mesh covering the wires. that has to be connected also.
Posted on Jun 20, 2008
Yeah, based on all of your problems, i would safely say that you have a blown speaker. Call up Bose at 1-800-999-2673. If the headphones are under warranty (1 year) they will replace them for free. If now, they will charge you $100 for a replacement pair, which is quite a deal considering that the headphones cost $300.
Posted on May 15, 2009
May be a little late for you, but both of my pads burst open, and after trying in vain to tell Bose how **** their products were (because they are) I decided to fix them myself rather than give Bose more money, allowing me to keep using my headphones until I buy another pair (from another manufacturer). Anyway, you can buy new pads off eBay, there seem to be a few on there, or, to fix yourself as I did, you can just pop the pads off (they clip on), then take a needle and thread and stitch the pads back together at the seam. This is a bit tedious, and you obviously have to jam the foam in there while you're doing it, but mine are now better than new (because my threads are stronger than the apparent **** glue that Bose uses). Takes a little time if you're not a big sewer (which I am not) but it's well worth the effort in my opinion. Gives you a great like-new pair of headphones...until the next thing breaks, and trust me, something will, it's Bose!
Posted on Oct 29, 2009
This may be your headphone jack (what you use to connect it to your
ipod or speakers ect.). check the connection there, and if you see the
wire became loose near it, that is most likely the problem. You can fix
it! With a new headphone jack (available at the Source or Radioshack or
other stores like that), and with some manual soldering (it's not too
hard, I fixed my myself and I havn't soldered before.) you'll get those
headphone to be as good as new. here are the steps to fix this problem.
1. cut your old headphone ******** and strip the wires. you should see two wires; one copper wire and one coloured wire (green or Red) on each cord. there is a total of 4 wires, two per cord.
2. Tin coat the wires. this means to burn the wires a bit (with the soldering iron) and put solder over them. this gets rid of the coating that is on the wires to stop them from shorting out in the cord and helps conductivity when soldering them onto your headphone jack.
3. there should be three holes on your new headphone jack. there should be two prongs left and right of the part you plug into the machine, and there should be one connected to the part that holds the wires once done.
4. connect the coloured wires (red and green) to the left and right prongs of the new jack and secure with solder. These are called the live (or hot) wires because they are the ones that send the signal that makes the sound.
5. connect both of the copper wires to the other hole and secure with solder. these wire are both ground wires, which are very important.
6. by the end, you should have connected four wires. two to the seperate prongs, and two to the third ground hole.
7. test your connection by trying to use your headphones. if it does not work (which may happen, don't get discouraged!) check your soldering. if it is touching any metal it shouldn't be, that means you have created a short circuit. simply burn off the solder (with the soldering iron) and try again.
8. keep trying until you get sound. good luck!
9. Once you get sound, you may want to secure the soldering job. you can either use two part epoxy and put this over your work, or you can tie a knot before you put the cover on you headphone jack. either will work just fine. Also, there sometimes are two metal protrusions that you can bend with plyers to help hold your chord in place.
10. enjoy your fixed, good as new headphones! Enoy hope this helped.
Posted on Oct 30, 2009
The solution to this problem is not for the faint hearted. You will break your headset, you will void your warranty,
and you quite likely will end up with a non-working headset. You will
also have to solder very small electrical components.
I also had the left channel audio not working, so the first thing to do was to take apart the headset.
Step 1. Remove the battery. Remove the two tiny screws from under the u-shaped plastic piece that holds the earpiece to the headset. You will have to pop out the end furthest from the audio jack. A #0 phillips is needed. Put the tiny screws in a safe place.
Step 2, Break the silver cover free from the black plastic earpiece by sliding a flat blade screw driver down between the joint towards the bottom of the earpiece. Be very careful not to insert the screwdriver blade too far into the earpiece because the circuit board is just inside. For some reason Bose decided to glue the two attachments for the bottom of the silver cover to the earpiece.
Step 3. Unscrew the 3 screws holding down the circuit board and put them in a safe place. Gently pull up the circuit board about .5cm. Look at the audio jack, the tab on the circuit board on the bottom right is the left channel audio. You can try to reflow the solder at this point on that tab using a 25W iron. It didn't work for me, but if your connector is not as bad a mine, it might work.
Step 4. Remove the solder from the 4 tabs holding the audio jack to the circuit board. Remove the audio jack from the circuit board (this is hard and accompanied by much cursing). Try not to overheat the board and lift the lands. Use a pliers to pull out the contact for the left audio channel and bend the jack contact out 1mm or so. Insert it back into the audio jack. Get your audio cord, plug it into the jack and check and see if you have continuity with an ohmmeter. If it all checks out, continue on.
Step 5. Resolder the audio jack back into the circuit board (also accompanied by much cursing). Screw the circuit board down. Put the battery back in and see if everything still works. If it doesn't, check to see if you broke the fine wires just above the audio jack on the circuit board. They run to the other earpiece through the headset.
Step 6. Reassemble everything and see if it still works. If it does, then congratulations and enjoy your restored audio. If not, open it back up and look for broken wires.
Disclaimer: This solution will likely destroy your headset. Proceed only if you have experience working with modern surface mount parts. I am an electrical engineer with 30 years experience in troubleshooting and repairing electronics and it still was not an easy fix. Total time to repair was about 4 hours.
Posted on Jan 03, 2011
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