Friday 6 August 2010

HD555 Technical Information

Technical Information for HD555 Sennheiser Headphones is as follows:

Nominal impedance-50 Ω Contact pressure-3,5 N Weight w/o cable-260 g Jack plug- 6,3 mm stereo (3,5 mm Adapter) Transducer principle (Headphones)-. dynamic, open Ear coupling- Circumaural;Cable length- 3 m Frequency response (headphones)-15 - 28000 Hz Sound pressure level (SPL)- 112 dB THD, total harmonic distortion-< 0,2 %

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