Item # 241819 | Customer Ratings: ( 5 Based on 1 reviews)

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Ultrasone HFI-780 Stereo Headphones
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Foldable, closed-back headphones featuring natural surround sound.

The Ultrasone HFI-780 are foldable, closed-back headphones with a very exclusive design and extraordinary sound, offering the highest standard of technologies: S-Logic Natural Surround Sound Plus, MU Metal shielding (ULE-technology), and safer hearing.

The exclusive design of the HFI-780 headphones is accentuated by the polar-silver color. The HFI-780 contains all Ultrasone technologies such as S-Logic Plus, ULE, and safer hearing. The HFI-780 was developed from the studio sector and is distinguished by a frequency response specifically tuned for DVD and gaming. Sophisticated home cineasts and music enthusiasts have been overwhelmed by the impressing sound that appears as though you are listening to speakers meters away. Gamers are impressed by the exact sound reproduction, bringing the gaming world alive. The low frequency ranges are raised to reach the highest possible synergies with DSP-Systems like Dolby headphones and Yamaha Silent Cinema.

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 that 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 organizations. Ultrasone originally developed the ULE-technology for professionals as they spend half of their lives in headphones. But due to grand requests the, ULE-technology has now been integrated in other Ultrasone headphone lines.

S-Logic Natural Surround Sound
Through the S-Logic Natural Surround Sound the usual headphone sound will be moved out of the head into the room around you. The sound is no longer locked in, but appears broad and detached. Directions and distances can be heard and perceived--it's just like being in a live concert. For this technology, additional equipment is not required. Take a pair of Ultrasone headphones plus your sound device and you will be ready for the 3-dimensional sound enjoyment.

S-Logic Plus
S-Logic Plus is the enhanced version of the S-Logic System. The specific acoustically designed earcups of the HFI models and their stereo tonal fine-tuning of the acoustic reinforcing devices present sophisticated sound and technology. Due to an additional damping, drivers and the bufferboard complement one another with the new spatial-sounding unit. The final result is a most neutral sound impression including optimized distance perception of voices and instruments.

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.

Ultrasone HFI-780 Stereo Headphones Specifications:

  • S-Logic Natural Surround Sound Plus
    Dynamic principle
    Frequency range: 10-26,000 Hz
    Impedance: 35 Ohms
    Sound pressure level: 96 dB
    MU Metal bufferboard, reduced field emissions in accordance with ULE (=Ultra Low Emission) standard
    Driver: 40 mm gold-plated
    Weight: 285 g (without cord)
    Straight cord: (length ca 3m)
    3,5/6,3 mm screwable gold-plated plug
    Transportation bag
    Demo CD
    Instruction manual
    Long-term availability of spare parts

Product Reviews
(Based on 1 reviews)
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  • Excellent Headphones

    As reviewed by Kevin on 4/22/2011

    Great headphones overall with no problems. Build: Everything is made out of a very sturdy plastic with a flexible rubberized section in the middle of the headband. The ear cups have a nice finish as well. They are heavy, but it is only the quality that weighs it down. The cable is thick, has a nice stress relief and is non-detachable. Sound: People say the highs are too piercing. I don't know if the headphones are different or something, but mine have very crisp and detailed highs. The mids are a little recessed compared to the highs, but still warm and clear. The bass is the best. It has great impact and never gets a hint of muddiness. The sound stage is average for a closed can. I put soft foam behind the drivers to eliminate long decay rates, and this tightened everything, but weakened the bass, so eq is needed for this. I could also hear each instrument in the tracks I listen too more clearly with the foam. The isolation is okay, and adding the foam improved it by a bit too. It is common to find people who say the headphone clamps on the head too much. There is a metal reinforcement in the headband and it is safe to bend it out a bit to loosen it up. Also, burn in time greatly affects the headphones. Bass will tame and tighten up and the highs will be smoother.

    2 of 3 people found this review helpful.
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PO Box 4769
Westlake Village, CA 91359
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