The DT 770 Pro-80 Studio Headphones are closed back, diffuse-field headphones featuring bass reflex technology for improved bass response and clinically accurate high and mid-range reproduction.Rugged headband construction. Single-sided cable. Impressive Studio Headphones for Critical Listening! Beyerdynamic DT 770 Pro closed studio headphones provide pro-quality sound for critical listening applications. Whether you're in the control room or on the recording floor, these DT 770 Pro 'phones are made to deliver accurate sound while giving you a very comfortable fit — a real necessity for long sessions. You get an impressive 5Hz-35kHz frequency response, while the closed-ear design helps to minimize outside noise and orient the headphones' speakers to your ears correctly. Built to last and perform reliably, DT 770 headphones make a great addition to any studio. Beyerdynamic D 770 PRO Studio Headphones at a Glance: Hear more clearly to perform your best Serious studio headphones Great for any studio setup Hear more clearly to perform your best The DT 770 PRO dynamic headphones are made for critical music and sound monitoring in an open environment. The transducers are fitted to adjustable yokes which should be positioned to fully enclose the ear. This will provide the optimum ear/speaker position for accurate sound monitoring. Serious studio headphones These closed-design headphones are designed for serious studio use. The DT 770 PRO have a 80 ohm impedance, 5 Hz to 35 kHz frequency response, and a comfortable closed-ear design. Great for any studio setup The coiled cord can be extended to a maximum of 3m and is terminated with a high-quality gold plated mini-jack and a 1/4" stereo jack adapter. Beyerdynamic D 770 PRO Studio Headphones Features: Closed studio headphone, equalized to meet diffuse field EQ requirements Innovative bass-reflex-system Robust spring steel headband Single-sided cable Soft headpad Gold plated jack-plug DT 770 PRO - Good Enough for Mixing In!