Envelop yourself in dynamic, rich sound with the DT770PRO headphone from Beyer Dynamic. It offers an extremely wide frequency response of 5 Hz-35 kHz, excellent circumaural-design, 18 dB ambient noise isolation, "Bass Reflex" technology for improved bass response, and a robust spring-steel cushioned headband and cushioned earpieces for maximum comfort. Impedance is 250 ohms. Coiled cable has a workable distance of 5 ft. and is single-sided for ease-of use. Termination is a 1/8" miniplug with 1/4" adaptor.