How to make DIY 3.5mm line to mic Aux cable to record audio from MP3 device to phone/PC. I tried soldering 2 jacks GND to GND and left to mic with low
![audio - Making a [4-Pole TRRS to 3.5mm Stereo & Mic Adapter (Male to 2x Female)] from an iphone headphone splitter jack? - Electrical Engineering Stack Exchange audio - Making a [4-Pole TRRS to 3.5mm Stereo & Mic Adapter (Male to 2x Female)] from an iphone headphone splitter jack? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/DnXRQ.jpg)
audio - Making a [4-Pole TRRS to 3.5mm Stereo & Mic Adapter (Male to 2x Female)] from an iphone headphone splitter jack? - Electrical Engineering Stack Exchange
![Amazon.com: Fancasee 6 ft Replacement 3.5mm Male Plug to Bare Wire Open End TRRS 4 Pole Stereo 1/8" 3.5mm Plug Jack Connector Audio Cable for Headphone Headset Earphone Microphone Cable Repair : Electronics Amazon.com: Fancasee 6 ft Replacement 3.5mm Male Plug to Bare Wire Open End TRRS 4 Pole Stereo 1/8" 3.5mm Plug Jack Connector Audio Cable for Headphone Headset Earphone Microphone Cable Repair : Electronics](https://m.media-amazon.com/images/I/61kWZruOMhL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fancasee 6 ft Replacement 3.5mm Male Plug to Bare Wire Open End TRRS 4 Pole Stereo 1/8" 3.5mm Plug Jack Connector Audio Cable for Headphone Headset Earphone Microphone Cable Repair : Electronics
![audio - Creating a custom TRRS splitter for headphones and mic; how to handle the mic's TRS jack? - Electrical Engineering Stack Exchange audio - Creating a custom TRRS splitter for headphones and mic; how to handle the mic's TRS jack? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/kNmEQ.png)