OVERVIEW: When the music matters the most: The HD 650 reproduces the subtle details in your music with the same confidence as the highlights. The (high) definition of smooth: Expertly balanced acoustics, luxurious construction and timeless design. The HD 650 has all of the perks of a high-performance sports car and none of the quirks. This open-back headphone is beloved by audiophiles for its musical, non-fatiguing sound while still offering intimate levels of detail. Upon the first note, your...