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Nokia MD-9: mini-speakers with great sound

Friday, September 4, 2009

Among the presented mobile accessories from Nokia on passing the event Nokia World 2009, was a place of such a thing as the Nokia MD-9, representing the external mini speakers, plug the wire to a standard 3,5 or 2,5 mm audio output of mobile phone and is powered by two conventional (AAA) batteries.

Specifications Nokia MD-9 seem to like:

  • Emitter: 30 mm speaker with neodymium magnet
  • Output power: 0,63 W (RMS)
  • Playable frequency range: 250 Hz - 18 kHz
  • Sina-noise ratio:> 70 dB
  • Nominal Impedance: 4 ohms

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