Meet the future. The beyerdynamic DT1770 Pro Headphones are the evolution of the renowned DT770 Pro studio reference headphones. They were the number one choice for many high-profile producers engineers sound technicians and broadcasters worldwide. Ensure exceptional clarity and detail. The DT1770 Pro headphones combine 45mm neodymium drivers with innovative Tesla 2.0 technology. This helps you achieve the perfect sonic balance with sleek highs and warm lows. Complete with a professional 250 ohms design the beyerdynamic DT1770 Pro Headphones come supplied with both velour and leatherette ear-pads and a premium carrying case. Please Note: Due to the 250 Ohm impedance the DT1770 Pro Headphones are designed for hi-fi studio and live applications. They would also benefit from external amplification.