Beyerdynamic DT 770 M Information De Produit page 7

Technical Specifications
Transducer type . . . . . . . . . . . Dynamic
Operating principle . . . . . . . . Closed
Frequency response . . . . . . . . 5 - 30,000 Hz
Nominal impedance . . . . . . . . 80 Ω
Nominal SPL . . . . . . . . . . . . . . 105 dB
T.H.D. . . . . . . . . . . . . . . . . . . . < 0.2%
Power handling capacity . . . . 100 mW
Sound coupling to ear . . . . . . Circumaural
Ambient noise isolation . . . . . ≥ 35 dBA
Nominal headband pressure . approx. 6.5 N
Weight (without cable) . . . . . 300 g
Length and type of cable. . . . 3 m / straight cable
Connection. . . . . . . . . . . . . . . Gold plated stereo
jack plug (3.5 mm)
and 1/4" adapter
(6.35 mm)