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Home  >  Studio Headphones >  Item # USPRO900OB (MFR# PRO900)
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PRO 900 S-Logic Surround Sound Professional Headphones - Black Open Box
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Ultrasone PRO 900 S-Logic Surround Sound Professional Headphones - Black Open Box

Condition: Open Box Closeout
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...

PRO 900 S-Logic Surround Sound Professional Headphones - Black

***OPEN BOX***

 This NEW product you are browsing has been inspected by our certified technicians to ensure that it meets factory specifications; it is guaranteed to be in perfect working order.
The Equipment is sold in "AS IS" condition and returns will not be accepted so please contact us with any questions BEFORE placing an order at
1-800-572-3224 Ext: 243.

We accept PayPal and all major credit cards. We do our best to describe each item we are selling to the best of our ability. Bear in mind that the Item is sold as-is with no warranty. Use the "contact us" page to request additional info or images on this product.

Technical 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 bufferboard, reduced
field emissions in accordance
with ULE (Ultra Low Emission) standard
New 40 mm titanium-plated drivers
Weight 295g (without cord)

S-Logic Plus is the newest advancement in the S-Logic 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 percent 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 percent (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.

Customer Reviews
Ultrasone PRO 900 S-Logic Surround Sound Professional Headphones - Black Open Box

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4 out of 5 stars   good headphones, good price
By edva (Colorado) August 17, 2010
Review submitted for Ultrasone PRO 900 S-Logic Surround Sound Professional Headphones - Black Open Box (USPRO900OB)
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Other Comments: good headphones
I recommend this product Yes, I recommend this product
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