Said home also still have a bunch of ungrounded sockets, because back then regulations didn't require it outside of the kitchen or some such.
Said home also still have a bunch of ungrounded sockets, because back then regulations didn't require it outside of the kitchen or some such.
The main difference between plumbing and other de-facto standards like the mini jack is that plastic components offer some important advantages over the metallic ones, such as price.
It's only natural that obsolete standards are replaced by newer standards when the newer versions offer important improvements.
Moving the DAC and amplifier out of the noise electric environment of a device and closer to the headphone can improve the sound quality. Of course this makes the headphone more expensive but its an improvement in quality for most users. Two examples:
https://www.indiegogo.com/projects/z-ero-the-world-s-1st-dig...
http://www.sony.com/electronics/headband-headphones/mdr-1ada...