headphones

Hi, im working on this (fairly simple) project with an old dial phone i had laying around. Im trying to make it work as a normal wired headset, connected to my smartphone through a 4-pin aux cable. So far i have been able to get it to play music through its original speakers, but I'm still...

Hi everyone I'm doing a little project at home and came across an issue. So I'm trying to convert my old Bose QuietComfort 15 to wireless headphones. The stock version uses a AAA alkaline battery and only has an AUX connector for the audio. I'm integrating a rechargeable battery and bluethooth...

Hello forum! My sibling broke their earphones and I am trying to repair them, but cannot understand on which solder pad should I solder the "golden" wire, because the pads are identical to me. I looked for schematic online, but could not find one and since these are fake I guess there won't be...

Hi! recently the left speaker began to sound lower than the right, shortly after it does not make any sound and only "returns" with distortion by raising the volume to the maximum. However, when the volume is lowered, it is muted again. Before opening them I would like to know if it is more...