Security hints
As this headphone is operating with very high voltage because of the electrostatic principle, as producer Sennheiser is obliged to point at possible dangers:
Never use the headphone when you have wet hair, use the headphone only in dry rooms.
Behind the internal and external cover of the earphone systems are hot parts. Do not stick pointed objects through the mesh!
If the connecting cable is damaged the headphone must not be used any longer. Defective connecting cables are to be exchanged immediately!
Repairs of the electrostatic hifi stereo headphone are only to be made by an authorized Sennheiser service agent.
| Technical data |
Transducer principle | electrostatic |
Sound coupling to the ear | circumaural |
Transmission range | 12 - 65,000 Hz / |
| 18 - 55,000 Hz / |
Frequency response | |
Distorsion | < 0,1 % |
Rated sensitivity | ≥ 100 dB / 1 kHz |
Polarization voltage | max. 540 V |
Pressure force | 3.6 N |
Weight (without cable) | 260 g |
Plug | |
Connecting cable | 3 m, |
Suitable amplifier HEV 70
(delivery not included)
Subject to alterations.
