That's not how audio works. All speakers are analog, even Bluetooth ones, so a DAC (Digital to Analog Converter) still has to exist somewhere between the source component and the speakers you play the music through. Right now what happens is the DAC is inside the phone, and then passes the audio to the 3.5mm headphone jack and to the speakers. There's no quality improvements for sending the analog signal through the Lightning connector like Apple is proposing, you're just changing the shape of the port (and making most existing headphones either incompatible, or requiring an adapter). Also, you can see on breakdowns that the 3.5mm jack doesn't really consume that much space in the device, which is why the iPod Touch has been thinner than iPhones but still has the jack - there are other components that take up more space and are preventing the phone from utilizing the loss of the jack component piece.
The real fear from this is that eventually devices may not have a DAC, and will instead outsource that to the headphones themselves (this is the manner that USB headphones work on computers currently when they identify as sound cards upon insertion). That's piss-poor design, and makes finding quality headphones annoyingly more difficult, since you'll have to research the DAC and the speaker sound quality of the cans. It also makes headphones more expensive by buying a duplicate component for each set when you could just buy the DAC once in the price of the original source device.
You do know which thing in this picture is the headphone jack, right? Because it takes up a lot more space than the Lightning port, not to mention providing a redundant function to what both the Lightning port provides, as well as BT & WiFi.

You do realize that Apple is going to be sending an analog signal via the Lightning port? All speakers are analog.
What are you talking about Apple sending an analogue signal through Lightning? That is absolutely not what's going to happen.
As for the customer being able to find the best DAC and amp custom matched to the headphones, that is a dream come true. And at the end of the day, none of that minutiae matters since customers will still chose their headphones the way they always have -- they'll put them on, plug them into their iPhone and choose the one's that sound best. Moreover, they will sound identical regardless of what digital source they plug them into, unlike analogue headphones which are affected by the quality of the DAC, DSP, amp, and other physical hardware, which may not be optimally suited for, or introduce noise into, the headphones, and coloring the sound quality for the listener, requiring a lot of fiddly adjustments from device to device to make them sound the same, which is the current experience with analogue equipment.
As for cost -- to get a DAC and amp of equal quality, Apple spends about $18 for all of the I/O chipsets on the iPhone, of which the DAC and amp are a small part. The customer is not going to blink at even a $10 price increase to a $250 pair of headphones, and it will likely be a lot less.
Here is a weird thought. Yes, if Apple does remove the mini headphone jack. BUT, is it possible to have the analog signals going through the lightning port? The iPhone already has a DAC in place for the speaker(s). Does someone have a 'pin-outs' description of each pin on the lightning connector? If there are three unused pins at a given time, these could supply the analog audio signals to the headphones.
Just an idea.
Apple is not going to pass analogue audio out of the Lightning port, even though dynamic pin assignments are possible with Lightning. If they had chosen to go that route, they would have done that with the 30-pin to Lightning adapters they introduced with the Lightning connector. But they didn't, because Apple knew that they were going to remove the 3.5mm headphone jack at some point, and wanted Lightning to be a strictly digital connection that off-loaded the audio quality responsibility onto the speaker/headphone maker, potentially yielding higher quality audio than the internal DAC & particularly the amp, are presently capable of on the iPhone. If Apple merely passed an analogue signal through the Lightning port, then not only would it only encourage continued use of cheaper 3.5mm analogue equipment, but it would introduce an inconvenient adapter that simply changed the plug from one shape to another, yet offered no quality improvements or benefits. Passing an entirely digital signal allows headphones to not only improve quality, but also access features of the iPhone previously unthinkable.
Haha, OK. Moving sideways to a propriety enclave maybe. If Apple went USB C then maybe - that would make sense as the new mac book has USB C (no mac has lightning).
If Apple is really removing the headphone jack, you can bet they will be adding Lightning ports to the new Macs so as to support their iPhone customers across the Apple ecosystem, without a requiring an adapter. USB-C is not even a widely implemented port, and there are no standards for USB-C audio. Add to that Apple customers have a substantial investment of over 4 years in Lightning cables and accessories they would have to replace, well before USB-c had even reached a critical mass in the marketplace. Since wireless is the ultimate goal, there's no need to put their customers through that. Especially when most of them don't seem to be concerned about losing the headphone jack.
http://www.macnn.com/articles/16/01...o.ask.apple.shoppers.what.they.thought.131986
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