Thank you.  I wonder how I messed up when I searched on Stack Exchange.  Did a 
lot of searching this morning so probably likely to miss a lot of stuff.

73, phil, K7PEH

On Oct 15, 2014, at 9:44 AM, Walter Underwood <[email protected]> wrote:

> A few people say that 1.5-2.5V is provided for the microphone. This makes 
> since, because they need to sense the button presses, too.
> 
> Most people are trying to put other headsets on iPhones or Macs, but the info 
> may be useful.
> 
> http://www.zerologic.com/Blog/iPhone-Headphone-plug-pinouts.html
> http://electronics.stackexchange.com/questions/38452/electronic-aspects-of-iphone-3-5mm-audio-output
> https://www.ifixit.com/Teardown/Apple+EarPods+Teardown/10501
> 
> wunder
> K6WRU
> CM87wj
> http://observer.wunderwood.org/
> 
> On Oct 15, 2014, at 8:30 AM, Phil Hystad <[email protected]> wrote:
> 
>> The only kinds of splitters I have found are actually combiners:  separate 
>> mic and headphones connections to plug into an iPhone.
>> 
>> 73, phil, K7PEH
>> 
>> 
>> On Oct 15, 2014, at 7:59 AM, Dave Van Wallaghen <[email protected]> wrote:
>> 
>>> I would think you are right also.
>>> 
>>> I apologize for the lack of correct terminology. I was in the middle of my 
>>> first cup of coffee ;-)
>>> 
>>> I meant the "plug" on your earbuds - not jack. I have the version that 
>>> splits the jack signals on my tablet. You would need the opposite version I 
>>> use. I bought a couple for spares - they were only a few bucks if I 
>>> remember correctly. I'm sure it will work fine and sounds like a nice 
>>> compact setup.
>>> 
>>> Take care & 73,
>>> Dave W8FGU
>>> 
>>> 
>>> 
>>> On 10/15/2014 10:47:23 AM, "Phil Hystad" <[email protected]> wrote:
>>> 
>>>> Dave,
>>>> 
>>>> Thanks. Just when your message popped in I was actually looking for 
>>>> splitters. Found a Griffin MicConnect interface but that is not what I 
>>>> want. From what I have learned so far, the mic technology assumed by the 
>>>> iPhone is passive Dynamic mic. No Bias is supplied by the iPhone (probably 
>>>> would have been my guess anyway).
>>>> 
>>>> 73, phil, K7PEH
>>>> 
>>>> 
>>>> On Oct 15, 2014, at 7:41 AM, Dave Van Wallaghen <[email protected]> wrote:
>>>> 
>>>>> Hi Phil,
>>>>> 
>>>>> I can't speak to the quality of the mic on those earbuds, but there are a 
>>>>> number of splitter cables out there that will split the mic and speaker 
>>>>> signals form the TRRS jack on you earbud cable to the mic and speaker 
>>>>> connections on your KX3.
>>>>> 
>>>>> I use one I ordered from Amazon to do just that when using my ASUS T100TA 
>>>>> tablet for digital modes with my KX3. Sorry I don't currently have a 
>>>>> link, but there are a number of them out there with various prices and 
>>>>> quality.
>>>>> 
>>>>> HTH
>>>>> 
>>>>> 73,
>>>>> Dave W8FGU
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> On 10/15/2014 10:19:57 AM, "Phil Hystad" <[email protected]> wrote:
>>>>> 
>>>>>> When I operate portable with my KX3 I am often favoring my Apple iPhone 
>>>>>> earbuds over other headsets. I have no measure of whether these are 
>>>>>> better or worse then others (I also own CM500 but it is big and bulky) 
>>>>>> -- but they work fine for me so far. And, in portable ops, I have been 
>>>>>> 100 percent CW so voice quality has not been an issue.
>>>>>> 
>>>>>> But...
>>>>>> 
>>>>>> If I wanted to switch to SSB for some reason I am thinking: "Is there a 
>>>>>> way to use the mic that is integrated with these iPhone earbuds?".
>>>>>> 
>>>>>> In a perfect world where there is no resistance nor taxes, this would 
>>>>>> work without any special plugs or jacks just like it works on my iPhone 
>>>>>> but I don't expect that. Has anyone done this? Has anyone adapted this 
>>>>>> mic for use on the KX3? I don't even know the mic technology (electret, 
>>>>>> dynamic, etc.).
>>>>>> 
>>>>>> 73, phil, K7PEH
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>>>> 
>>> 
>> 
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