Amazon.ca Product Description As the first professional studio reference headphones with Tesla 2.0 technology, the DT 1770 PRO has already made its mark in the company's history. The DT 1770 PRO has won over sound engineers and studio users with its impressive sound quality and workmanship. Brilliant highs and a warm bass provide a perfect sound profile that is second to none. A new standard for monitoring, mixing, mastering and recording – precise and powerful. Sound Coupling To The Ear - Circumaural (around the ear) From the Manufacturer The beyerdynamic DT 1770 PRO is ideal for musicians, sound engineers and producers for professional studio or monitoring applications. It has a closed design with a high ambient noise attenuation, and an enormous maximum sound pressure level. The efficient Tesla 2.0 drivers ensure a perfect sound with an excellent resolution, spaciousness, and high output level. It is perfect for mixing and mastering in the studio. The extremely high level of efficiency is useful in loud environments, especially for sound engineers listening to PA systems or musicians. The DT 1770 PRO features a modern design with a discrete elegance for all components including end pieces, yokes, ear cups and headband. All components are replaceable, ensuring a long lifetime for the headphone. The comfortable, replaceable ear pads, as well as the adjustable headband with replaceable pad, ensure superior comfort for a long period of time. The single-sided cable is detachable and lockable. The hard case ensures safe transport and storage.