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this post was submitted on 09 Dec 2023
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Technology
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Is this better than a normal 4 contact jack without the cold?
"Cold" suggests you're thinking of balanced signalling. You don't have any balanced options with standard headphones and computer PC jacks, everything is unbalanced. Both the 4-connector (TRRS) and 2x3-connector (TRS) variants of your headphone connectors are unbalanced audio.
There might be a difference in crosstalk between the speaker and mic wires (ie signals going to your speakers leaking through the wire insulation and into the mic wires), but it should be inaudible if the cables and headset are designed correctly.
"Better" in terms of less radio interference? I suppose, probably.
I am not an audio engineer. It fascinates me, but most of it is beyond me.
Like how Apple used to be able to send video out of an iPod over a 1/8th connector, using the "sleeve" part as a 5th connector for video.