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Framework won’t be just a laptop company anymore
(www.theverge.com)
This is a most excellent place for technology news and articles.
You forgot that 3.5mm is a stupid connector that makes you pass charged metal pieces over the connector to plug it in. You can't power an anc chip or a dsp with it because it can't do power delivery. That's how you get headphones sounding different based on whether they are turned on
I have two sections in my above comment talking about power delivery over 1/8" TRS.