MODEL- HD555              VENDOR- SENNHEISER ELECTRONIC
     
FEATURES- Classic Stereo Headphones
       The HD 555 features a special internal Surround Reflector, which 
        generates an extended spatial sound field, making it the ideal 
        headphone for home theater, as well as music. Other innovative 
        features include Sennheisers E.A.R.technology and optimized Duofol 
        diaphragms for a new level of audio enjoyment. Overall listening 
        pleasure is combined with outstanding wearing comfort.  
* Open-Aire, circumaural, dynamic, stereo headphones.
* Ergonomic Acoustic Refinement (E.A.R.) enables ideal sound channeling for 
  a new kind of listening experience.
* State of the art,advanced Duofol diaphragms  
* Highly optimized,field-strengthened neodymium ferrous magnet systems.
* Outstanding comfort for long listening sessions  
* Velour ear pads even allow wearing eyeglasses without loss of comfort.
* Longevity through exchangeable components  
* Lightweight aluminium voice coils for high efficiency and excellent 
  dynamics.
* Surround reflector improves spatial sound characteristics  
      
  -- SPECIFICATIONs ----------------------------------
CONNECTOR    - 6.3mm stereo jack with 3.5mm adapter (both gold-plated) 
                 with 10 foot cable, (OFC), single-sided, changeable.
HEADPHONES   - Transducer Principle: Dynamic, Open
               Frequency Response  : 15 - 28,000 Hz 
               Nominal Impedance   : 50 Ohms 
               Weight w/o Cable    : 9.1 ounces
               Characteristic SPL  : 103dB
               Ear Coupling        : Circumaural
               Distortion          : < 0.2 % 
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