Ultrasone PRO 900i headphones | ULE technology integrated | Ultra Low Emission (ULE) is the MU metal protective shield for the ears

The Ultrasone PRO 900i headphones are a pro, for sure. Or in other words – audio production at the next level. Neutral tuning, lavish workmanship and outstanding wearing comfort. The tool of choice for every sound engineer, mixer and music lover.

We add to these outstanding key data the protective function provided by the integrated Mu-Metal. Headphones always produce a very strong magnetic field, and thanks to ULE technology, this is reduced by 98%.

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Ultrasone PRO 900i headphones | ULE technology integrated | Ultra Low Emission (ULE) is the MU metal protective shield for the ears
Ultrasone PRO 900i headphones | ULE technology integrated | Ultra Low Emission (ULE) is the MU metal protective shield for the ears

 469,00

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 469,00

Ultrasone PRO 900i headphones | ULE technology integrated | Ultra Low Emission (ULE) is the MU metal protective shield for the ears

Ultrasone PRO 900i is a headphone fascination in itself. In addition to an acoustic sound experience for the music lover, the focus is also on protecting the ears from strong magnetic fields.

Circumaural professional headphones with excellent external attenuation, which, thanks to their neutral coordination and elaborate workmanship, are perfect for demanding sound engineers, sound engineers and music lovers. In addition, the PRO 900i is extremely comfortable to carry. No wonder: it uses the same metal bracket as its big brothers from the Signature series and has soft ear cushions made of fine velvet.

A welcome side effect of the S-Logic technology – which, by the way, does not require any electronics or DSP – is that you can listen in an unusually relaxed and fatigue-free manner over long periods of time. In addition, the music is perceived as “louder”; the playback device can be turned down by up to 4 dB, which not only protects the ears, but also the battery of mobile players or smartphones. Good to know: the titanium-coated 40 mm Mylar transducers have their own MU-metal shielding, which drastically reduces the headphones’ electromagnetic radiation on the ear.

The PRO 900i has a detachable 3 m spiral cable with a high-quality 6.35 mm Neutrik jack plug, which can be easily and securely attached to the headphones thanks to the bayonet catch. The headphones are delivered in a noble transport box. Also important: the PRO 900i has an extremely robust design and is easily suitable for tough everyday use in the studio.

After use, it can be folded up to save space. The scope of delivery also includes an additional 1.5 m ultra-soft cable with a 3.5 mm jack plug and a pair of replacement pads, which can be changed in a flash if necessary thanks to the PRO 900i’s special speed switch system.

ULE technology

The MU metal protective shield for the ears

Most current headphones generate so-called low-frequency fields when converting electrical to acoustic signals. ULTRASONE has developed the Ultra Low Emission Technology, ULE for short, specifically to minimize low-frequency fields. A MU metal shield is used for this, which is used as a partition (or buffer board) between the volume of air at the ear and the headphone capsule.

This shielding reduces the magnetic radiation by up to 98% compared to conventional headphones. In particular, professional users who regularly work long hours with their headphones appreciate this feature. But ULE technology also benefits private users, especially during long listening sessions.

Ultrasone Logo

Outstanding performance from the Ultrasone PRO 900i in a nutshell!

  • The PRO 900i offers acoustics at the highest level for professional needs.
  • The headphones are equipped with S-Logic Plus technology for particularly high sound naturalness.
  • The Mylar/Titanium transducers ensure responsive, precise and crystal-clear sound reproduction.
  • Specially designed velvet ear pads round off the listening pleasure with comfort for the ear and maximum isolation from the outside with these closed headphones.
  • The new and wider headband design, ensures even more comfortable wearing for hours.
  • Enjoy limitless sound performance and trust your ears.

Audio production on the next level

Technical data

  • Principle: dynamic, closed
  • S-Logic PLUS technology
  • MU metal shielding – ULE technology
  • Impedance: 40 Ohm
  • Driver/Diameter: Mylar/Titanium, 40 mm
  • Magnet: NdFeB
  • Frequency range: 6-42,000 Hz
  • Sound pressure level (SPL): 96 dB
  • Weight (without cable): 295 g

Scope of delivery

  • Cable approx. 3m spiral with 6.3mm NEUTRIK jack plug and approx. 1.50m USC (Ultra Soft Cable) cable with 3.5mm jack plug
  • Carrying case
  • Second pair of ear pads
  • Instruction manual

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