Headphones — that is, truly high-quality headphones, not earbuds — can be something of a rare sight these days away from a computer. They’re often too bulky for a casual trip around town, and the best ones can cost as much as the device you’re using them with, if not more. Having said that, the sheer fidelity and immersion of headphone audio can make the tradeoff worth it. Turtle Beach is b ……