You are looking for an open-back HFI model? With the HFI-2400 goose skin feeling is assured. These open-back headphones with Ultra Low Emission (ULE-technology) offer airy and finest 3-dimensional sound reproduction. Specifically designed detachable velvet earpads will comfort your extensive listening hours. The HFI-2400 is the only Ultrasone HFI model with detachable cable. High class gold-plated drivers, placed according to the basic principle of the S-Logic technology, provide highest sound quality.
Character
You are looking for an
open-back HFI model? With the HFI-2400 goose skin feeling is assured.
These open-back headphones with Ultra Low Emission (ULE-technology)
offer airy and finest 3-dimensional sound reproduction. Specifically
designed detachable velvet earpads will comfort your extensive listening
hours. The HFI-2400 is the only Ultrasone HFI model with detachable
cable. High class gold-plated drivers, placed according to the basic
principle of the S-Logic technology, provide highest sound quality.
ULE-technology
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% 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.
S-Logic Natural Surround Sound
Through
S-Logic Natural Surround, the sound moves out of your head and into the
room around you. Consequently, the music is no longer confined, but
breathing once again, spacious and organic. Direction and distance are
more easily perceived - it's like being at a live concert (or in the
studio). No additional equipment is necessary. So with just a pair of
Ultrasones and your favorite audio device, prepare yourself for genuine
3-dimensional enjoyment!
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.
Features:
- Foldable, open-back high-quality headphones
- in black, silver and grey with Aluminium nameplates
- and finest 3-dimansional sound reproduction
- Technologies:
- S-Logic Natural Surround Sound
- MU Metal shielding (ULE-technology)
- Safer hearing
- Long-term availability of spare parts
Technical specifications:
- S-Logic Natural Surround Sound
- Dynamic principle, open-back
- Frequency range 10-25,000 Hz
- Impedance 70 Ohm
- Sound pressure level 94 dB
- MU Metal bufferboard, reduced field emissions in accordance with ULE (Ultra Low Emission) standard
- Driver 40 mm gold-plated
- Weight 292 g (without cord)
- Detachable straight cord (length ca 3m)
- 6.3 mm gold-plated plug
Accessories:
- 6.3mm to 3.5mm adapter
- Velvet transportation bag
- Demo CD
- Instruction manual
| Included Accessories |
6.3mm to 3.5mm Stereo Adapter, Carry Case, Soft, Extension Cable |
| Connector Type |
6.3mm, Straight |
| Cable Length (m) |
3 |
| Cable Type |
Single sided |
| Impedance (ohm) |
70 |
| Frequency Response (Hz) |
10-25000 |
| Sound Pressure Level (dB) |
94 |
| Form |
Circumaural |
| Ear Cup |
Closed back |
| Driver Type |
Dynamic |
| Driver Diameter (mm) |
40 |
Top 10 Reasons to use Ultrasone
1. S-‐LogicTM Natural Surround Sound:
The sound is moved out of the head in the room around
you. The sound appears broad and detached. Directions and
distances can be heard and perceived – as if you’re in a
live concert or in the sweet spot of fine monitor speakers.
2. Less hearing fatigue:
Listening (or working) with headphones causes hearing fatigue
rather quickly (ouch my ears hurt). With S-‐Logic the sound
into your individual ear reduces hearing fatigue close to
zero.
3. Hear more details:
One of the most important facts for the working musician,
engineer, or producer! You are able to hear more detail and
nuances. For a consumer, you’ll discover hidden gems you never
heard before.
4. Safer hearing:
S-‐LogicTM reduces sound pressure levels (3-‐4 dB) up to
40% for the same perceived loudness. This may significantly
reduce the risk of hearing damage -‐ a must if you spend a
lot of time in headphones.
5. Patented ULE Technology:
Ultra Low Emission: Unlike other headphones, with ULE you
have *radiation protection. Electro-‐magnetic emissions are
cut to approximately 98%. Without ULE it’s as if you put 5
computer CRT monitors directly on your head. ULE is very
important.
6. Design:
Reviewers have spoken glowingly and use words like “upscale
and elegant” and have written, “...the combination of high
style and stellar sound are hard to beat.” All are incredibly
comfortable and have a professional and cutting edge look.
7. Choice of materials:
Edition headphones are made of the finest materials
available. But all through the ULTRASONE brands, meticulous
care is taken about the materials used.
8. Great Craftsmanship:
Great build quality, reasonable weight, precision-‐engineered and an incredibly low failure rate.
9. Warranty:
5-‐year transferrable limited warranty with receipt of
purchase. ULTRASONE is that good. Need we say more? (2
Additional years on the Edition products with the mailing in
of the warranty card)
10. Philosophy:
No other brand concentrates on just headphones, has 60
patents worldwide, designs products with accuracy for the pro,
consumer, and audiophile market.
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