""The open back HD 599 delivers impressively natural spatial performance. Topping Sennheiser’s 500 series, the full sized premium headphone offers near- audiophile levels of sound quality and exceptional wearing comfort thanks to the large ear cups and soft replaceable ear pads. You want to treat your ears to audiophile sound quality? This is the Sennheiser HD 5 model for you. With an impressively refined and natural sound and an uncompromising build. You’ve reached your goal. With the HD 599 you step into the world of audiophile sound. There you will experience outstanding natural spatial performance, brought to you by high-end proprietary Sennheiser transducers. You may have listened to headphones that are quite good. The HD 599 will show you what lies beyond that. Be warned: there is no turning back. ""