Question about Shure E4C Consumer Headphones

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Shure E4C headphone failure

Usually it's the ground wire feeding into the earpiece that fails. The soldered connections on the driver are usually good. Shure charges $109 plus shipping to repair E4Cs that are out of warranty. I expect that they just replace the earphones with an enitirely new set.

I just repaired two sets of E4Cs that I have. I managed to open the earpiece, unsolder the connections, re-strip the wire, flux and solder and put on new shrinkwrap protection on the cable. They're not cosmetically perfect anymore but they work prefectly.

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  • Anonymous Mar 19, 2009

    Cool. How do you open them? Thanks.


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I just found out how to open the E4's.

What you do is, unscrew the metal cap that holds the angled earbud tube in place. Note that the tube itself can't be turned.

Then remove the metal ring behind it as well as the small rubber ring.

There is a 'hinge' at the cord end of the earbud, so what you should do is take a very sharp knife (I used a scalpel) and pry the top off the earbud from the end that had the ring mounted by inserting the knife between the top piece and the metal element. Note that it's attached with a little glue, so it will take some coaxing to get off.

Posted on Apr 02, 2009

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I use a multimeter to check the connections to the ear pieces. I set it to the diode function. The meter's test probes also have a very low dc voltage and this causes a 'click' sound in the working earpiece. Some earphones have 3 wires, others have 4 wires. In the 3-wire setup, one wire is the common wire. It goes to the ground connection of the mini plug. The 'click' sound on the left ear piece should go to the tip of the connector. The 'click' sound that you get on the right ear piece should be soldered to the 'ring' of the mini plug. The 4-wire type of earphone/ headphones cable usually have two wires that are the same colour. These are the ground or common connections for both right and left. I hope that this helps. A multimeter or vom is a necessity. Len.

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Check this out:

Good luck from Detroit, MI.

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I appreciate your vote if you appreciate my reply.

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