MODEL- PXC250             VENDOR- SENNHEISER ELECTRONIC
     
FEATURES- Mini Stereo Headphones
       The PXC 250 is a closed, dynamic, supra-aural mini stereo headphone 
        with NoiseGard active noise compensation. Due to their active and 
        passive attenuation of ambient noise, they let you enjoy music even 
        in noisy environments. The headphones are foldable and come with a 
        convenient belt pouch, making them an ideal travel companion.  
* Dynamic stereo mini headphones  
* Fold and flip: registered design allows the ear cups to be turned through 
  90 degrees and fold the headphones closed (headphones will lock in open 
  and closed positions).
* For transport: supplied with soft belt pouch with extra pocket (185 x 105 
  x 40 mm).
* 1.8 m Kevlar-reinforced OFC copper cable with 3.5 mm jack plug, delivered 
  with an adaptor to 6.3 mm (1/4") stereo and 3.5 mm double mono (for 
  airline audio).
* Ideal for aircraft and other environments with engine noise: the 
  switchable NoiseGard active noise compensation attenuates frequencies 
  below 1,000 Hz by up to -15 dB.
* High-resolution sound due to Sennheiser "Duofol" diaphragms with spiral 
  embossing.
* Bass tube for powerful, punchy bass  
* Lightweight: only 65 grams without cable
     
  -- SPECIFICATIONs ----------------------------------
CONNECTOR    - 3.5 mm mini-stereo
HEADPHONES   - Transducer Principle: Dynamic, closed
               Frequency Response  : 10 ~ 21,000 Hz 
               Nominal Impedance   : 300 Ohms 
               Weight w/o Cable    : 65 grams
               Characteristic SPL  : 106 dB 
               Ear Coupling        : Supra-aural
               Distortion          : < 0.1 % 
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