That wireless EarPods rumour was only based off the recent patent Apple has for them. They will probably be something someone can buy and not the freebe included inbox headphones. I'm 99% positive the included EarPods will be Lightning. So no, they won't need an adapter or have to bring two sets of headphones.
It does because the majority use the free inbox EarPods, they won't have to change a single thing to keep using the free included inbox EarPods. Listening to music will be unchanged for them with the opportunity of higher quality HD audio. The benefits they gain are the other things that removing the 3.5mm can bring.
Such as
- more room inside the already super cramped iPhone for other things (like more battery or possible new tech)
- much easier to waterproof without a 3.5mm jack in there
- it could also allow for smaller bezels since the jack wouldn't be in there and go underneath the screen
Still convinced you didn't watch the video. If you actually did then you didn't understand it.
The benefit to audiophiles are high end headphones don't have to reply on the weak DAC and AMP currently inside the iPhone. Because they currently do, they are not getting the most out of their expensive headphones. And as the video also explained. Even if you plugged in an external DAC and AMP to a current iPhone, it's still not giving you the full power of the headphones because it still has to route through the weak DAC and AMP inside the iPhone.
Removing it from inside the iPhone allows these headphone manufacturers to make their own Lightning to 3.5mm DAC and AMP (or include them in the actual buckets) and actually get the full power of their headphones that they paid a lot of money for.
Plus they also get the other benefits that removing the 3.5mm can bring as I mentioned earlier in this post.
1. They will need an adapter or second headphones if they are bringing their macbook with them or any device that does not have a lightning port.
2. I won't even get into the "cramped" iPhone since I think it is too thin already. However this is highly debatable. If you want your phone to remain at the current thinness or thinner, I won't knock you for that...it is your preference. It is not rocket science to waterproof a phone with a headphone jack. Others manufacturers has done it, or is it because Apple is trying to save money once again instead of considering customers? Many phones on Android side has thin bezels with 3.5 jack so again, with great design and development it can be done.
3. I think you are the one not understanding (although I may be wrong). The current amp and dac drives the built in speakers AND the 3.5mm jack. The lightning port currently in the 6s is not using the internal amp and dac. Hence every lightning headphones on the market currently have their own dac and amp built in. Hence I said, go buy the SINE headphones. It will be using the AMP and DAC built into the headphones ONLY (based on my understanding). So you are not relying on the built in DAC. Hence I reiterate, you already have this benefit in the 6s. So what exactly are you gaining in regards to audio?
Point 2 is debatable. I Apple does come with some "revolutionary" or "unique" tech that is put into the space of the 3.5mm jack, even if it does not benefit me I would be completely fine. However if they are removing it for waterproofing or larger battery then that is crap.