mikebeauchamp.com - Mike Beauchamp - occasional doer of stuff and maker of things

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Now that more musicians are live streaming music during Covid-19 stay home orders, I thought this design might come in handy. If you are looking to get stereo line-level audio directly into your iphone (and your iphone still has a headphone jack), this is a pretty straight forward DIY hack that can get you there for under $20 if you have a soldering iron. Last year I wanted to do some live streaming of our local synthesizer collective and didn’t want the audio to be degraded by the iphone’s microphone, so I

If I knew I was going to be putting this project online, I would have called it something better than “STLN2IPOO” – which stands for “Stereo Line-level audio to iPhone”, and that’s exactly what this does. By cutting some traces and adding a few resistors on a cheap off-the-shelf D.I. Box and attaching a 3.5mm TRRS plug onto a microphone cable, you can feed a stereo or mono line-level audio signal from a mixer or other sources directly into your iphone without any signal loss. A volume knob is also included

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