Ultrasone PRO900 Headphones

Ultrasone PRO900 Headphones

The Package & Closer Examination »

Introduction


Ultrasone is well known for their high fidelity closed back headphones. Today we will be taking a look at one of their newest offerings geared towards audio professionals and avid headphone users. The headphones are called the PRO900 and are currently the most expensive in their PRO-lineup albeit having a lower model number than the previous high end offering from them.

The PRO900s is built around the new S-Logic Plus system from Ultrasone which should give a nice and spacious presentation. Like previous top end headphones from Ultrasone these newcomers have a detachable cable and have a massive Neutrik 1/4" plug at the end. This particular headphone comes with two cables, one straight and one spiraled up for studio use. That the PRO900s are made for life in the studio is something Ultrasone emphasizes a lot on their webpage, however, they fair equally well in the home environment powered by a good headphone amplifier.

Specifications

  • 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 buffer board, reduced field emissions in accordance with ULE (Ultra Low Emission) standard
  • New 40 mm titanium-plated drivers
  • Weight 295g (without cord)
The theoretical frequency range is of close to zero use, but what on the other hand is interesting that the headphones begin to achieve reasonable linearity straight from 30 Hz. With a weight of only 295 g plus the cable they are quite a featherweight.
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