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-3 votes
2 answers
64 views

Double audio output

simulate this circuit – Schematic created using CircuitLab Hello i am trying to have the same audio play on two usb earphones, i have tryed multiple adapters but nothing work, the software force ...
Mouad Kafif's user avatar
5 votes
1 answer
26k views

Making a [4-Pole TRRS to 3.5mm Stereo & Mic Adapter (Male to 2x Female)] from an iphone headphone splitter jack?

I want an adapter that merges the microphone and earphone 3.5 mm jacks into a single 3.5 mm jack ( basically I want to build the blue adapter thingy): I have an earphone splitter for iphones that has ...
K. Rmth's user avatar
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