More power & less strain - The 50 mm Mylar sound transducer of the light grey PRO 550i closed headphones produces a clear sound combined with impressive sound intensity and strength.
These headphones also deliver a powerful bass and allow for a precise localisation of instruments. thanks to its closed design, background noies is systematically suppressed. Equipped with the standard accessoires in the PRO box (a 3m coiled cable with a 6.3mm stereo jack, a 0.8m straight cable with a 3.4mm stereo jack and a second pair of ear pads), the PRO 550i is a true favourite among bass players, drummers and guitarists.
S-Logic® Plus is the cutting-edge advancement in the S-Logic® Natural Surround System, squeezing the BIG S-Logic® soundstage found in our PRO, Performance, Edition, HFI and DJ headphone models.
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 acoustically redesigned ear-cups of these new models and their tonal fine-tuning result in a most neutral sound impression with more vivid perception of voices and instruments.
How does S-Logic® Natural Surround Sound work?
S-Logic® sends music around your head not just into it, because this technology uses decentralized driver positioning. Did you know that you use and need the outer ear for your three-dimensional understanding to define the direction and distance where a sound comes from? Instead of hitting the inner ear directly, with S-Logic® the signals are reflected off the surface of the outer ear in different directions before entering the auditory canal to create a natural three-dimensional Sound. S-Logic® is the only headphone system which includes your entire sense of hearing. S-Logic® does not change your personal hearing, it intensifies it for your individual needs and listening pleasure. S-Logic® does neither need artificial echo nor digital sound processing or cross over run time delay. You can hear the sound just the way the sound engineer has mastered it.
S-Logic® does not only create a Natural Surround Sound sensation. S-Logic® allows at the same time a reduction of sound pressure levels at the eardrum by up to 40% (3 - 4 dB). This may reduce the risk of hearing damage while ensuring hours of fatigue-free listening.
Ultrasone - ULE-technology
(Ultra Low Emission) - MU Metal shielding
Most headphone drivers produce low-frequency magnetic fields as they convert an electrical signal into the acoustical signal that we hear as music. Ultrasone has developed a special MU Metal shielding that we call ULE (for Ultra Low Emissions) to reduce this radiation by up to 98%, compared to conventional headphones. This technology has withstood the test of international review and is recommended by technical surveillance organizations. Ultrasone originally developed ULE-technology for PROfessionals, since they spend half of their lives in headphones. But due to overwhelming consumer demand, we are pleased to offer ULE in the other Ultrasone lines.
• S-Logic® PLUS technology.
• ULE technology.
• 50mm Mylar driver.
• Dynamic closed back design.
• Detachable cord.
• 2 detachable cords.
- 3 m coiled cable with 6.3 mm stereo jack.
- 0.8 m straight cable with 3.5 mm stereo jack.
• 2nd pair speed-switch velour ear pads.
• Transportation box.
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