What’s The Difference Between Bluetooth A2DP And aptX?

Bluetooth headphones are all the rage now, after spending the better part of a decade as a niche restricted to tech enthusiasts. Now you can find an incredible variety of Bluetooth headphones on electronic store shelves, and even more online. But as with almost all product categories, not every set of wireless headphones is created equal.
by Michael Crider via How-To Geek