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Popular Headsets brands include Westone 1 Earphones With Free iPod Speakers, Westone UM2 Dual Driver In-Ear Earphones Black, Westone UM1 Single Driver True Fit In-Ear Earphones and Westone 3 True 3-Way Driver Earphones.

Headphones employ one or more of several methods of sound reproduction Electret or Orthodynamic or Balanced armature or Electrostatic. There are other much less common Transducer Technologies include Piezoelectric film, Plasma-ionisation and Heil Air Motion Transformer.