According to http://pinouts.ru/CellularPhones-A-N/iPhone_connector_pinout.shtml two of the pins in Apple's 30 pin connector are dedicated to line in. I have spent days looking for a cable with line in capabilities (because I want to record stereo line in, the headphone jack is mono and is not line level) but they are nowhere to be found. I can only find http://line6.com/sonicport-audio-interface/sonicport/ and similar that are way to bulky and unnecessary expensive for my purpose.

Do I suck at Google? Does it exist simple 30-pin cables with support for line in? If not, why? The reason I ask the last two questions is that if such a cable doesn't exist my plan is to find someone in a music shop or similar and ask them if they cold make/solder such a cable for me.

  • The sonicport is also only mono [see iRig answer/comments below] - I really think there must be some solid reason why a stereo variant is so rare. – Tetsujin Nov 19 '15 at 10:55

Seems like this might be it: http://www.ikmultimedia.com/mobile/products/irighd/ But it's not cheap.

  • ...nor is it stereo. The only stereo iRig is the iMic Field The new iRig pro Duo is 'dual channel' - though I'm not sure whether that is dual mono or can be summed to stereo. I guess you could be fairly sure, though, that if IK don't make one, there's a good reason. – Tetsujin Nov 19 '15 at 10:46
  • You're right, now that I went back and re-read the page, they don't mention stereo anywhere. I took it for granted that it would be stereo since I can't imagine anyone paying $$ for a mono recorder. But I'm not really an audio person so I guess that was a bad assumption. – Vitalydotn Nov 19 '15 at 10:52
  • Furthermore, it is not a simple cable but a whole audio interface with AD-converter and more. I am happy to use the built in (?) AD-converter to save space. – d-b Nov 20 '15 at 8:33

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