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Fairphone 5 Launch
(inv.tux.pizza)
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this post was submitted on 30 Aug 2023
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Your point is generally well taken, but your first point about 3.5 mm jacks being universal isn’t really true any more. It’s nearly impossible to find a device these days with a 3.5 mm audio Jack. It sucks but it’s true.
Only if we're talking about phones. My computer, work laptop, steamdeck, and my monitor all have audio out via 3.5mm jack.
I have a speaker set and a pair of headphones, and I can mix and match when and where I want to use them, which is great.
I hope removal of headphone jacks stays limited to phones (and reverses course eventually)
Other than the 3.5mm still being universal basically everywhere except for phones, it's also universal in a purist physical sense.
Any old piece of scrap copper wire connected to a 3.5mm jack, wrapped vaguely into a coil, and placed next to something magnetic, should form a working speaker compatible with the 3.5mm jack. It won't sound hi-fi, but it will work, because unlike Bluetooth or USB-C where you have to read hundreds of pages of standards and do a bunch of engineering just to figure out how to understand the signal, the signal in the 3.5mm jack basically is the sound.
This has direct practical implications as well: The transparent simplicity vs opaque complexity is why wired headphones can be so cheap and yet so reliable, or as hi-fi as your DAC and the speaker cone will allow, whereas Bluetooth devices are comparatively expensive, a mess to connect, fragile, bandwidth-limited, and environmentally and ethically dubious.
Bluetooth, and even USB-C, is basically black magic— Which wouldn't be so bad, except that it's also glitchy black magic. And this remains true regardless of device availability, because it's determined by the physics of the technology itself is implemented.