Sennheiser - HD25-1

The closed-back HD 25-1 IIs are purpose-designed, professional monitoring headphones offering high attenuation of background noise. Capable of handling very high sound pressure levels and of extremely robust construction, these headphones perform exceptionally well in high-noise environments, e.g. ENG, sound reinforcement, studio monitoring and audio equipment testing. The capsule is rotatable for one-ear listening. Ideal monitoring headphones for cameramen and DJs.

Specifications

Ear coupling	supraaural
Transducer principle	dynamic, closed
Nominal impedance	70 Ω
Frequency response (headphones)	16 - 22000 Hz
Max. Sound pressure level (aktiv)	120 dB
Load rating	200 mW
THD, total harmonic distortion	< 0,3 %
Contact pressure	ca. 2.5 N
Jack plug	3,5/6,3 mm stereo
Cable length	1,5 m
Weight w/o cable	ca. 140 g