Sennheiser HD 51 Inflight Headphones

Sennheiser Updated: 2009-01-07 RSS
Sennheiser HD 51 Inflight Headphones

The HD 51 is a pair of open, dynamic stereo headphones which are small, light, robust and comfortable to wear. The headband has extra padding for added comfort. The ear pads can easily be changed, and the headphones can be supplied with any company logo printed on them.

Features

* Exceptionally light
* Compact design
* Robust
* Replaceable ear pads
* Superb frequency response
* Single-sided cable
* Choice of connectors (see Technical Data)
* Company logo option

Technical Data

Frequency response (headphones): 18.....20000 Hz
Transducer principle: dynamisch, offen
Nominal impedance: standardmäßig 300 Ohm
Characteristic SPL: 100 dB ( bei 1 kHz)
Ear coupling: supraaural
Contact pressure: ca. 1,3 N
Weight w/o cable: ca. 55 g
Connection cable: 1,2 m einseitig geführt
Jack plug: 3,5 mm Stereo-Winkelklinke; 3,5 mm Doppelwinkelklinke; 6,3 mm Stereo-Winkelklinke
THD, total harmonic distortion: < 1 %
Operating temperature: -10.....+60 °C