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Thread: 3.5mm headphone jack

  1. Saik0Shinigami's Avatar
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    #1

    3.5mm headphone jack

    Alright, I can't find any reliable source for the pinout of the 3.5mm jack on the Droid 3. So I've decided to post what I actually manage to find here that way maybe someone else can be helped in the future.

    I recently got a hold of SkullCandy Heavy Medals, which sound great on the phone... really good, response is awesome. There's two problems though. Mic and in-line volume/answer buttons don't work. From my understanding the TRRS doesn't actually have a standard, which is very frustrating. It seems the reason for most mic/headsets not working is because of the lack of a standard.

    Anyway, I will be referring to the 4 sections of the connector as T, R1, R2, S.

    For iProducts from the information I have found the pinout goes as follows
    T: Left Spkr
    R1: Right Spkr
    R2: Ground
    S: Mic

    Motorola devices pinout
    T: Mic
    R1: Left Spkr
    R2: Right Spkr
    S: Ground

    OR, I have also found...

    T: Left Spkr
    R1: Right Spkr
    R2: Mic
    S: Ground

    The problem is there's no reliable source for the pinout of the Droid 3 (or any of the Android based Motorola phone...)

    The Skullcandy headset follow the iProduct layout, and I am waiting on a converter(ordered yesterday and shipping today) to the second Motorola layout I found above(since it seems more likely as the L/R sound works), and if that doesn't work then I'll splice the converter cable to the other pinout and we'll see what works, if anything.
  2. Droid Newbie
    jeffco98's Avatar
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    #2
    I downloaded a free app called Klipsch Control.
    Now my inline mic and button on my skullcandy earbuds work.

    Sent from my DROID3 using DroidForums
  3. Saik0Shinigami's Avatar
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    #3
    Quote Originally Posted by jeffco98 View Post
    I downloaded a free app called Klipsch Control.
    Now my inline mic and button on my skullcandy earbuds work.

    Sent from my DROID3 using DroidForums
    Doesn't for me... It's not a software issue if the pinout is different and the phone cannot auto-swap pinouts to the headset type, which is what I aim to test... unfortunately I'm still waiting on the stupid cable to show up.

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