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Ultrasone HFI-450 S-Logic Surround Headphones

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Affordable Ultrasone HFI-450 headphones use the same S-Logic Surround Sound technology found in Ultrasone's legendary HFI-15G headphones. The closed-...Click To Read More About This Product

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Enjoy the realism of three-dimensional surround sound!

Affordable Ultrasone HFI-450 headphones use the same S-Logic Surround Sound technology found in Ultrasone's legendary HFI-15G headphones. The closed-back HFI-450 offers the same powerful, clear sound reproduction that Ultrasone users have come to expect. Entry-level HFI-450 headphones are specifically for audiophiles on a budget who still want the famous Ultrasone sound for home and studio.

Ultrasone S-Logic Natural Surround Sound

It's just like being in a live concert! Ultrasone's S-Logic Natural Surround Sound creates a 3-D sound field with proven psychoacoustic principles. No additional equipment is required. Sound reflecting off of the outer ear helps us to localize its source. The Ultrasone S-Logic system directs sound to the outer ear before it enters the auditory canal, creating natural 3-dimensional sound. Instead of trying to squeeze a band (or an entire symphony orchestra) inside your head, Ultrasone HFI-450 headphones immerse you in a rich, natural musical environment. And they do it without any artificial echo, time delay, or digital processing.

Safer hearing

Ultrasone S-Logic not only creates natural surround sound, it also reduces sound pressure levels as much as 40% (3-4 dB), while maintaining the same perceived loudness. Listening at lower volumes without losing the perception of volume increases listening pleasure while reducing the risk of ear damage. You'll have hours of fatigue-free listening. (However, that's not an excuse to crank it even more. To prevent hearing damage, Ultrasone advises you always to listen at lower volume.)

Even at very low volume levels, Ultrasone HFI-450 headphones still deliver the same spacious sonic effect, so you to hear every sound as though you were there when it was recorded. For even greater safety in long listening sessions, Ultrasone employs a special MU Metal shielding (ULE), for Ultra Low Emissions that reduces electromagnetic radiation by 98% as compared to conventional headphones.

Three-dimensional Surround Sound
Safer hearing
Reduced magnetic field emissions

Get ready for a superior, safer listening experience with S-Logic's natural surround sound. Order today!

S-Logic Natural Surround Sound
Dynamic principle
Frequency range 20-20.000Hz
Impedance 32 ohm
Sound pressure level 96dB
Driver 40mm Mylar
Weight 265 g (without cord)
Straight cord (length 3m)
Long-term availability of spare parts

Review Snapshot

by PowerReviews
UltrasoneHFI-450 S-Logic Surround Headphones

(based on 4 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



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  • 1 Stars



Reviewed by 4 customers

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(3 of 3 customers found this review helpful)


Great deal! Great Fidelity

By tsandrews

from Philadelphia, PA

Comments about Ultrasone HFI-450 S-Logic Surround Headphones:

Bear in mind this is a first impression after getting them and testing them out.I picked these up to use as a FOH monitor headset. All I was looking for was reasonable quality and portability. I've just tested them out and was pleasantly surprised.Pros: relatively inexpensive, Folding and rotating circum-aural (around the ear) cups, Sturdy construction, flat audio response, good isolating fit.Cons: isolating fit is leather (maybe fake leather, I'm not sure) so it does get a bit sweaty in there. And the rugged construction means they're a bit on the heavy side.I have a few songs I listen to just to check out sound systems and here's what I found. One of the songs has a 13khz hiss that these headphones recreated accurately, another song has a 35hz pedal tone that runs through most of the song. Again these headphones did just fine (I've worked with PA systems that can't do that.I tried to test they're claim to 3-D sound, even to the extent of listening to some binaural recordings from the FreeSoundProject. I can't say as I hear any difference than with the pair of Sony MDR-CD180s I had to compare them to.Overall these headphones are great at playing back just what you put into them, and nothing else. That's just what I want, headphones that don't color the sound with their own EQ curve. They're sturdy, compact when folded, and priced just about right for a cheapskate like me. I'm not going to wear them for an 8 hour flight, but I'll grab them every time I'm doing a gig.I'd be happy to buy them again.

(1 of 1 customers found this review helpful)


Good price, great sound, and comfort...

By Jesse Moline

from Undisclosed

Comments about Ultrasone HFI-450 S-Logic Surround Headphones:

Like the title says, they were a decent price, and the sound is excellent. Outside sounds are hardly heard and the sound quality is great. Though after wearing them for an hour my head begins to feel a bit of pressure from them. The cushion feels great to the fingers, and doesn't bother at first, but once that hour mark sets in they feel a little heavy and tight. Maybe a softer and more bulky cushion would solve that...

(1 of 1 customers found this review helpful)



By angus sheehan

from fremont, ca

Comments about Ultrasone HFI-450 S-Logic Surround Headphones:

Our school issued these headphones to all students my first term. They are reasonably comfortable and reproduce sounds very clearly. The bass response is punchy and deep for headphones. That can be a feature or a flaw depending on whether you're gaming or making meticulous mixing and mastering choices. The "S-Logic" thing really seems to be more of an advertising ploy than any actual feature. Also, the straight-style cord seems to get in the way more than it works as a usable length.BOTTOM LINE: These ARE my primary headphones at the moment and I don't plan on replacing them soon. They're great for listening and have really astonishing sound isolation qualities for a pair of passive phones. If I had spent my own money, however, for this price I would have probably gone with the industry-standard Sony MDR7506 (which I have never used but everyone seems to talk about.)


great deal

By Mountain Breeze

from PA

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Comments about Ultrasone HFI-450 S-Logic Surround Headphones:

I bought the on a "Stupid Deal" and they are the best headphones I have. I've bought afew of the upscale head phones and these are comfortable, fairly light, loud, great isolation, and do not distort a high volumes.

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