Beyerdynamic DT 770 PRO 250Ω Closed-Back Studio Headphones. The most popular studio headphone model among professionals. The DT770 PRO is designed for monitoring music and audio, providing a neutral listening environment with exceptional isolation and excellent impulse response. The sound in the high registers is highly analytical and nuanced. The lowest registers are very well-defined and dynamic. The durable spring steel headband ensures a secure fit for the user. Soft earpads allow for comfortable use, even for long hours. The single-sided cable allows frequent putting on and taking off the headphones without tangling. The DT 770 PRO are handcrafted in Germany. Specifications: Frequency response: 5 – 35,000 Hz Nominal sound pressure level: 96 dB Impedance: 250 Ohm Nominal SPL: 6 dB SPL T.H.D: < 0.2% Nominal headband pressure: approx. 3.5 N Weight: 270 g Cable: straight 1.5 m Connection: 3.5 mm stereo jack with 6.3 mm jack adapter