Experience musical fidelity as you've never heard before with Denon's AH-D7000 Ultra Reference over-ear headphones. Combining old world craftsmanship with state-of-the-art technologies, the AH-D7000 re-defines the ultimate in headphone listening. The large diameter (50mm, 1.97") free edge Microfiber diaphragms provide extended frequency response, from the lowest bass notes all the way up to 45 kHz, to provide the ultimate listening experience with advanced high resolution audio formats such as SACD. High strength Neodymium magnets provide high efficiency and freedom from motor structure non-linearity. The elegant housings are crafted from real Mahogany wood, with intricate internal carving to enhance the natural tonal balance, and are finished in an elegant soft satin piano gloss. The lightweight tangle-free cable features reference grade 7N OFC (7 Nines 99.99999% Oxygen Free Copper) wiring, and is finished with an elastomer-coated cloth sheathing. A luxurious storage case is provided.