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Ultrasone PRO900
The Ultrasone PRO900 are foldable, closed-back professional headphones aluminium nameplates. New PRO Box (hardcase) for safe transportation and storage, incl. accessories. New 40 mm Titanium plated drivers, velvet ear pads in BLACK & SILVER, Ultra Soft Cable (USC-cable), Neutrik connectors.

S-Logic Natural Surround Sound PLUS
MU Metal shielding (ULE-technology)
Safer hearing

ULTRASONE S-Logic PLUS Technology
The PRO 900 offers professional and unlimited sound performance. This is the first pair of Ultrasone PRO headphones with the patented S-Logic PLUS technology.
Enjoy the new standard and trust your ears...

S-Logic Plus is the newest advancement in the S-LogicTM Natural Surround System. S-Logic Plus profits directly from innovations developed for our flagship Edition range, the ultimate headphones for critical listening. This sophisticated new technology combines precision dampening with micro-acoustic reinforcement, allowing driver, buffer-board, and spatial parameters to complement one another in an optimal manner. So the acoustical design of S-Logic PLUS models and their tonal fine-tuning result in maximum neutral sound impression with more vivid perception of voices and instruments.

ULE-Technologie & PRO Design
PRO headphones stand for Ultra Low Emission (ULE-technology) with significant benefits for professional users and PRO headphones show a specific design. The PRO 900 appearance does not only distinguish the professional line but also allows due to more ear anatomy area a higher degree of transparency in combination with the spatial sense and understanding. The PRO 900 headphones offer an additional possibility to choose a black pair of PRO headphones with black and silver velvet earpads.

To understand what ULE-technology does, you need to know that most headphone drivers produce low-frequency magnetic fields as they convert an electric signal into an acoustical signal you hear as music. In response, Ultrasone developed a special MU Metal shielding (ULE-technology) to reduce the radiation by up to 98% compared to current headphones. The ULE-technology has stood the test of international review and is recommended by technical surveillance organisations. Ultrasone originally developed the ULE-technology for professionals as they do spend half of their lives in headphones. But due to grand requests the ULE-technology has now been integrated in other Ultrasone headphone lines.

Safer hearing
S-Logic does not only create a Natural Surround Sound. S-Logic allows at the same time a reduction of sound pressure levels by up to 40% (3-4 dB) for the same loudness sensation. This may reduce the risk of hearing damage while ensuring hours of fatigue-free listening. However, Ultrasone generally advises not to listen to music at high volumes to prevent hearing damage.
  • S-Logic Natural Surround Sound
  • S-Logic PLUS technology
  • Dynamic principle, closed
  • Frequency range 6-42000Hz
  • Impedance 40 ohm
  • Sound pressure level 96 dB
  • MU Metal bufferboard, reduced
  • field emissions in accordance
  • with ULE (Ultra Low Emission) standard
  • New 40 mm titanium-plated drivers
  • Weight 295g (without cord)

  • PRO Box contents
  • Professional headphones
  • Neutrik connector
  • Ultra Soft Cable (USC-cable)
  • 2 detachable cables: one straight
  • (length 3m), one coiled (length
  • > 3m) with gold-plated jacks 6,3 mm
  • 6,3/3,5 mm gold-plated adaptor
  • Velvet speed-switch ear pads in
  • BLACK & SILVER (spare earpads)
  • Demo CD
  • Instruction manual
  • Reviews
    Free shipping in Canada. Conditions
    Additional information
    For more information about the PRO900, please visit the website of Ultrasone
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