Beyerdynamic DT 770 PRO 250 OHM closed Dynamic Headphone
Transducer type:Dynamic
Operating principle :Closed
Frequency response:5 - 35,000 Hz
Nominal impedance:250ohm
Nominal SPL : 96 dB SPL
Sound coupling to the ear:Circumaural
Average pressure on ears:approx 3.5N
Ambient noise isolation:approx 18dBA
Weight (without cable) :270g
Cable:3m, straight
Connection:Gold-plated, 3.5mm mini stereo jack with 1/4" jack adaptor