Features Closed studio and monitoring headphones 250 Ohms, 45 mm dynamic Tesla neodymium driver Rugged headband made of spring steel Single-sided, detachable cable with mini-XLR (coiled and straight, in the box) Soft, replaceable ear pads (velours and leatherette, in the box) and headband Premium carrying case For decades now, professional users all around the world have been putting their trust in the DT 770 PRO studio reference headphones. They are the number one choice for music producers, sound technicians and broadcast users and are a firmly established piece of equipment in studios worldwide. A legendary basis, pioneering technological work and nothing less than the determination to achieve the perfect sound have led to a new milestone being set: the DT 1770 PRO the evolution of a studio legend. As the first professional headphones with Tesla 2.0 technology, it has already made its mark in the companys 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 give you a perfect sound profile unmatched by any other headphones of their kind. Specifications Transmission Type: Wired Headphone Design (Operating Principle): Closed Headphone Impedance: 250 ohms Headphone Frequency Response: 5-40,000Hz Nominal Sound Pressure Level: 102 dBSPL (1mW/500Hz) Remote: Without Remote Construction: Circumaural (around the ear) Cable & Plug: 3-pin XLR plug & 6.35 mm (1/4") stereo ...