Same here, my QC 3's stopped working, bought a new battery and nothing happened. Called Bose 1-877-210-3782 followed the prompts for "english" and "headphones". My QC 3's are 3 years old and out of warranty. Bose agreed to replace the headphones for $75 with free shipping. Better than paying a few hundred. Replacement set will have 1 year warranty.
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check the input to the base unit,and check the volume control on the headset..also put new batteries in the headset.Mine are a rechargeable type and are useless.BUT dont put headset back on charging stand with ordinary batteries in
Cord is probably broken internally. If you are not good with wires and soldering and it is out of warranty, find someone who is or buy new headphones. You can manipulate the wire until it works and tape it in that position for a temp fix, otherwise the cord is shot.
Does this problem only happen on when playing drums? For me, when my battery is running low, if I move my head back and forth quickly or lightly tap the right headphone, they will clip in and out briefly, but replacing the battery always fixes this. My guess is that you are playing drums a lot, your battery is running low, and you might be throwing your head around violently, causing a similar problem.
there is a broken solder joint where it is on the pc board.it is not the earbud itself,because when you pull it out,both sides work.the jack has 3 sections,the tip which is one side,the next piece,which is the other side,and the shank piece which is the ground.the ground connects to the outside ring of the headphone jack.there are 2 contact points inside for the two channels.what happens is the copper foil of the pc board fractures where the pins are soldered.scrape away some of the foil so that copper is exposed for the pins,and resolder it and it will work if you wiggle the jack,you will see the whole piece of circuit board move where it is cracked.after fixing it,put epoxy over the area to make it stronger.
I had a similar problem - after owning them for 4+ years, no sound we coming out, and no beeps -- nothing. The lights on the charger stand were on though.
I tried buying new rechargable AAA batteries and they were NIMH (nickel metalhydride?) and still didnt work. I borrowed a friend's pair of NICM (nickel cadmium?) AAA rechargables though and the problem was solved!
So, it would seem the some of the new chargable battery types might not work in older models of this unit (which is also called the RS 130 now in the US and Cdn web sites).
Check if the power signal in the base turns on. If not two things can be appening. The base or it's transformer is damaged, or the output jack of you soundboard is dead. Check the sound form the soundboard with some regular headphones to find the source of the problem. Make sure that the base and the wireless phones are on the same channel and you batteries are fully charged.