Beyerdynamic dt 1770 pro
Headband headphones series beyerdynamic dt type of fitting over ear transmission mode wired features gold plated jacks sound function passive noise reduction sound type neutral sound mode stereo sensitivity 102 dbmw impedance 250 ohm frequency response 5 40000 hz max power handling 200 mw driver 45 mm number of drivers 1 magnet type neodymium distortion factor 0 05 noise level 125 db length of cable 3 m types of cable removable cabl