Beyerdynamic DT 770 PRO X Over-Ear Closed-Back Studio Headphones Elevating a celebrated studio legend to new heights, the DT 770 PRO X from Beyerdynamic are over-ear, closed-back studio monitoring headphones. Upgraded with PRO X tech, these headphones include new STELLAR.45 dynamic drivers for a superwide 5 Hz to 40 kHz frequency response and highly compatible 48-ohm impedance. Along with enhanced drivers, the DT 770 PRO X sports a detachable cable with a reliable locking gold-plated mini-XLR connector for the earcup attachment, making the headphones easier to handle during regular use and ensuring you avoid accidental pullouts. Comfort remains a focus of the DT 770 PRO X. Soft replaceable velour earpads and ergonomic memory foam padding on the durable steel spring hoop headband provide long-lasting comfort during extended sessions. The DT 770 PRO X headphones include a detachable 9.8' mini-XLR to 3.5mm TRS cable, a 3.5mm to 1/4" TRS screw-on plug adapter, and a drawstring case. Produc