Intensive listening experience with High Resolution Audio. With the Fidelio X2HR headphones, youre in for an authentic listening experience in exquisite sound and comfort, in your very own home. Immerse in pristine sound details and custom-fit design thats crafted for your total enjoyment. Crafting the Philips Fidelio X2HR starts with meticulously choosing each material for its functionality and ergonomic comfort. Deluxe memory foam ear-pads are matched with a velour material of optimised density with high breathability, to dissipate pressure and heat for longer-wearing comfort. The self-adjustable lightweight hammock features an airy 3D mesh, which is not only breathable, but is flexible enough to ensure a perfect fit always. An acoustic open-back architecture eliminates air pressure build-up behind the driver, allowing the diaphragm ample free movement, greatly enhancing sound transparency and smoothening extended high frequencies. High Resolution Audio offers the best in audio performance, reproducing original studio master recordings more faithfully than 16bit/44.1kHz CD formats. This uncompromising quality makes High Resolution Audio the best sound companion for the music lover. Fidelio headphones meet the stringent standards required for the Hi-Res Audio stamp of quality.