Hindsight is 20/20. In 1998 and 2008, people were shocked that Apple were releasing computers without floppy drives and CDs. You're right that NOW it seems obvious to remove them, but when it actually happened it was the same nonsense as this headphone jack thing. "Apple wants to screw over the customer, Apple wants to sell you an adapter, etc..." Gruber is definitely and Apple fanboy, but he's right on the money that everyone will complain, buy the phone anyway, and forget about it next year- just like when they switched to the Lightning connector.
Right now it seems like a leap to remove the headphone jack. In 2020 we'll stumble upon someone still using an iPhone 6s, listen to their music through the 3.5mm jack, and we'll have forgotten how bad the sound quality was and/or have forgotten that Apple used to sell phones that weren't waterproof.
Sure, people back then did say that. But don't lump me in with them. I did not object to any of the above.
I welcomed the removal of the floppy disk, and in fact had stopped installing floppy disks in my Windows PCs that same year. Indeed, the only thing I had used floppy disks for the few years leading up to that was booting the Windows installer, they were useless for everything else. By then, CD-drive booting was possible anyway, so getting rid of floppy was no issue. I cautiously embraced the removal of the CD/DVD drive. You can look up my posts in this forum from back then. I agreed with the decision, but was upset the external superdrive cost so much. I said I would set aside $50 (figuratively, in my mind) to buy a generic USB DVD drive at Microcenter or Best Buy, so when I need it I can immediately go get one. Never needed one. I welcomed the lightning cable fully, and again you look this up, defending it and applauded the move a lot on this forum.
None of those things are similar. First, a good amount of people have anywhere from $50-$500 or more in perfectly good audio gear that relies on the 3.5mm jack. Nobody had that much money invested in floppy disks, cd-roms, or 30-pin cables. Second, as I said before, all of those standards were pretty clearly obsolete by the point Apple removed them. There is nothing obsolete about the 3.5mm audio standard; age alone does not lead to being obsolete, a competing better alternative that is being adopted does, which there is none.
Third, in response to your comment about audio quality, that is nonsense. There is no inherent good or bad audio quality in the 3.5mm jack. It is just a jack, just a way to physically connect wires, and it is for analog audio. The sound quality is determined by the headphones, and by the DAC. If Apple wants to, they can put in a better DAC into the iPhone. If a user wants to, they can buy better headphones. By making lightning headphones, Apple is forcing headphones to have a built-in DAC of their own (so now you are essentially carrying 2 DACs, one built-in to the iPhone, and one built-in to your headphones), and that second DAC is powered by the iPhone's battery. The "quality" of the analog connection between the second DAC and the actual speakers in the headphones will be no better or worse than the 3.5mm connectors we have today.
I'd argue that what Apple wants is 1. to turn a profit (they're a business, after all), and 2. to be on the cutting edge of technology to keep their brand value extremely high, which in turn improves the chances of #1. If they're not staying competitive by making a thinner phone with the latest technology in it, their brand doesn't mean anything. That's why they're doing this. I think they recognized that the 3.5mm jack has been a standard for a really long time because it's relatively common, small, and inconspicuous, not because it's particularly good. I give them credit for having the guts to still do things like this (try new things, that is) despite what a massive company they are now. It's more than most of their competitors can say.
1. They are welcome to try to profit from this. I agree with the crowd that says it is hostile. They are cashing out some of their brand loyalty and goodwill though. I think the brand loyalty and goodwill is worth more than the increased headphones profit they get. It's a bad deal.
2. No, this will hurt their brand. It is indisputably hostile to users. They are essentially saying: "those headphones we sold you last week, they're no good anymore. Those headphones you use on both your mac and iphone, they won't work on your iphone anymore."
I also don't think you understand what the 3.5mm jack is. It is literally just a physical connection between wires for analog audio. For that, it has been fantastic. For all audio, eventually it has to be converted to to analog because speakers are analog. Whatever new system Apple comes up with will not have better sound quality than 3.5mm because 3.5mm has nothing to do with sound quality.
I like it when Apple tries new things and makes bold moves. I don't like when those new things are actually less things, and the bold moves require me to repurchase a lot of expensive stuff.
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apple is right in doing this, though - that jack is ancient technology and holding back progress in how sound is delivered to the ears. with a multi-pin solution, much more can be done - noise reduction microphones, dual microphones, multichannel sound, etc etc etc
You really have no idea what the 3.5mm jack is. See above.