Sennheiser HDC 55 NoiseGard Headphones

Sennheiser Updated: 2009-01-07 RSS
Sennheiser HDC 55 NoiseGard Headphones

First class stereo headphones with NoiseGard™ active noise compensation of up to approx. 10 dB. The HDC 55 NoiseGard™ headphones are small, light, robust and comfortable to wear. The ear pads can easily be changed, and the headphones can be supplied with any company logo printed on them (from 500 pieces).


* Light
* Compact design
* Swivelling earpieces
* Robust
* Replaceable ear pads
* Excellent frequency response
* Company logo option

Technical Data

Transducer principle: dynamic, open
Nominal impedance: 270 Ohm
THD, total harmonic distortion: < 1 %
Noise compensation (active): 10 dB +/- 3 dB (between 300 - 900 Hz)
Operating voltage (mains): 11 - 16 V DC, typ. 7 mA
Ear coupling: supraaural
Contact pressure: approx. 1,6 N
Weight w/o cable: approx. 115 g
Connection cable: 1,4 m, dual-sided
Jack plug: choice of: 2-pin special connector / 3-pin special connector for audio and DC power supply
Frequency response (headphones): 20.....18000 Hz