Beyerdynamic DT 770 Pro Studio Monitor Headphones, 32 OhmReference headphones for control and monitoring purpose32, 80 & 250 ohms (closed)Key featuresCircumaural headphones for professional sound in the studio and on mobile devicesInnovative bass reflex systemHigh wearing comfort thanks to soft, circumaural and replaceable ear padsComfortable fit due to rugged, adjustable, soft padded headband constructionMade in GermanyThe Beyerdymanic DT 770 is a closed dynamic headphone and was designed for critical music and sound monitoring in an open environment. The Beyerdymanic DT 770's 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. The coiled cord can be extended to a maximum of 1.6 m and is terminated with a high-quality gold plated mini-jack and a 1/4" stereo jack adapter.