There are numerous causes for this everyday (yet absurdly frustrating) occurrence. Generally, however, it’s simply due to the loose wire and can frequently be set by pushing the wire towards the radio earpiece and, if needs be, affixing it into position with a small electrical tape, super glue, or some other adhesive.
Occasionally, if the headphones have an inline volume turn, that may be the cause. That one is just a little difficult to mend, but you could possibly always try the ‘wire trick’ described above and see if it works. If not, then open the volume controls and re-solder the wires into place (be warned, this can invalidate most warranties, so if the ‘phones are still covered, just send ‘em back and get replacements). Continue reading