Philips Fidelio X3 Wired Over-Ear Open-Back HeadphonesFrom the singers breath to fingers squeaking on a fretboard, the Philips Fidelio open back headphones match feather light comfort with pristine tuning. Discover new layers of transparency and detail every time you slip them on. Engineered For Exceptional Performance The Philips Fidelio X3 headphones boast double layered ear shells that reduce resonance and vibration. The neodymium drivers are engineered to tilt at 15 degrees, fitting the natural