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  • High Quality Closed-Back Headphones W/ Stereo Sound D
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High Quality Closed-Back Headphones W/ Stereo Sound D

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We don't know when or if this item will be back in stock.
  • Advanced acoustic transducers with a specially tuned frequency response
  • Unique leatherette ear pad design blocks outside noise for safer, critical listening
  • Gold plated 1/8-Inch headphone plug (1/4-Inch adapter included)
  • 2 year warranty

Product Details

  • Product Dimensions: 20.6 x 9.4 x 23.6 cm ; 195 g
  • Shipping Weight: 340 g
  • Item model number: HD448
  • ASIN: B002DGTGO0
  • Date first available at June 14 2010
  • Average Customer Review: 5.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Bestsellers Rank: #126,029 in Electronics (See Top 100 in Electronics)
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Product Description

Product Description

In general, the sound of the Sennheiser HD448 is excellent. The levels have mellowed out some with use, but still keep a small harshness to the sound, but not to the point of distraction when listening to music. The bass is tight for headphones in this price bracket and you do not ever find that they are lacking bass. The sound is satisfying, even for long sessions and you don't find yourself suffering from listening exhaustion with the Sennheiser HD448 frequently. These cans are becoming a sanctuary for this touring musician. Each of the components are there for reproducing recorded music superbly. Slip them on and the outside sounds slightly go away. Put on the music and the outside noises and distractions are gone, leaving only you and your tunes. The music sounds tight throughout the spectrum. You can use these cans both with and without an amplifier. If you use with an amp, it improves the volume and some key frequencies. The iPod volume has to be pretty near to %90 to have a healthy listening level without the amp. Obviously, the original volume level of the MP4 offers quite a bit to do with the output volume of the iPod. In comparison to the PXC350, the Sennheiser HD448 really blocks much more noise passively; however once you put some batteries and turn on the active cancelling of the PXC350 it much surpasses the HD448, but thats rather obvious. With no batteries however, the HD448 blocks more noise.

From the Manufacturer

The HD 448 allows you to get closer to your music and movies without distractions. Using specially tuned acoustic transducers, the HD 448 reproduces clean, intimate sound waves directly into your ears for a lifelike sound that helps you rediscover your music all over again. The leatherette earpads block out ambient noise, allowing you to listen at safer levels with a much greater attention to the enhanced detail this headphone provides. The included cable extension adds length on-demand for listening on-the-move or at home.


  • Closed, around-the-ear design blocks outside noise
  • Good attenuation of ambient noise
  • Lifelike stereo sound experience
  • Ergonimic design provides comfortable fit
  • Includes a storage pouch and extension cable for added length and protection
  • Rich crisp bass response and faithful dynamic audio reproduction
  • Advanced acoustic system with powerful neodymium magnets and lightweight diaphragms
  • Powerful bass and increased signal levels for modern rhythm-driven music
  • Gold Plated plugs and 6.3mm stereo adaptor allows for excellent connectivity
  • 2-year warranty

IE6 Dynamic In-Ear Headphones

MX 471 In-Ear Stereo Headphones

HD 218 Closed Back Headphones iPhone/iPod/mP3 Compatible
HD 201 Lightweight Over-Ear Binaural Headphones
HD 201
HD 221 Dynamic Supra-Aural Headphones

HD 202

RS 120

HD 428

HD 438
21-18,000 Hz
18-21,000 Hz
22-19,500 Hz
18-22,000 Hz
17-22,500 Hz
< 0.7%
< 0.5%
< 0.7%
<0.1% (1 kHz/100dB)
<0.1% (1 kHz/100dB)
Transducer Priciple
Dynamic, Closed
Dynamic, Open
Dynamic, Closed
Dynamic, Closed
Sound Pressure Level
108 dB (1 kHz, 1 V)
115 dB (1 kHz, 1 V)
106 dB
110 dB
112 dB (1 kHz/1 V)
2 yrs
2 yrs
2 yrs
2 yrs
2 yrs

Customer Questions & Answers

Customer Reviews

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Most helpful customer reviews

1 of 1 people found the following review helpful By An on Oct. 25 2011
Bought this as a surprise birthday gift and my boyfriend really loved it. He lets me use these too when he's studying; the headphones are way comfortable and light on the head. If you have a smaller head (like me) you might find that it slides off a little sometimes. Ears will also get warm over extended periods of listening (i.e. 1hr+) but this is normal for closed over-ear headphones. My ears were warm but they weren't sweaty. Sound was also amazingly clear despite the busy study areas I frequent with friends. All in all a really good purchase, especially for price and brand name (=
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Most Helpful Customer Reviews on (beta) 223 reviews
124 of 136 people found the following review helpful
Very Impressive Sept. 22 2009
By David Keppel - Published on
I bought these headphones after returning the Bose Triports Bose® around-ear headphones, for personal and portable listening, which have good sound but are flimsy. Even out of the box, without time for break-in, they are stunning. The sound is precise, clear, and natural. Listening to Mozart's Clarinet Quintet, I hear each instrument beautifully and in surprising detail.

You can buy these with great confidence. An audiophile vendor not associated with Amazon gives these headphones 5/5, and that company has ears trained on equipment costing thousands of dollars. Of course, if you are prepared to buy Sennheiser HD 600 Sennheiser HD600 Over-Ear Open Dynamic Hi-Fi Professional Stereo Headphones (Black) or HD 650 Sennheiser HD650 Audiophile Open Dynamic Stereo Headphone, you will hear something else again, a magical liquidity - but only if you couple them with a dedicated headphone amplifier. If you use headphones to listen to music, rather than music to listen to headphones, you will be very happy with the 448 for portables and home listening.

PS: It's a year since I posted this review, and I have just made a surprising discovery (surprising to me, at any rate). I knew these were good headphones without an amplifier. What I did not realize is that with a headphone amplifier, they are in another league. I have a small headphone amplifier, and I was getting only fair results with my high impedance headphones (which are outstanding on my other, larger amplifier). So just as an experiment, when frankly I was ready to buy a better amplifier, I asked myself what would happen if I took out the Sennheiser HD 530 (300 ohm impedance) and tried the HD 448. They're stunning. I thought it wouldn't be necessary, because the HD 448 has just a 32 ohm impedance. And it isn't necessary, but it certainly makes a huge difference. Put the HD 448 together with -- say -- a Headroom Airhead or Bithead and you have an excellent little rig.
52 of 55 people found the following review helpful
Amazing headphones! Feb. 23 2010
By Matt Horning - Published on
Verified Purchase
I bought these headphones to replace a pair of old Pioneer headphones that I inherited from my family. I wanted something better than earbuds to listen to when I was creating music. I also live in an apartment, and since the walls aren't that thick, with cheap headphones, I can sometimes hear outside noise (like the TV from the front room). I chose a pair of closed headphones to hopefully mitigate some of this noise.

*Amazing sound quality! When I first started listening to my music in these headphones, I started hearing instruments and riffs that I had never noticed before. I don't know how much of that is the placebo effect, but it's amazing.
*When you put them on and you don't have any audio coming in, you can hear what is going on around you, and they don't cancel a lot of noise, but as soon as you start playing music through them, all the outside noise goes away. I had several of my friends try them on and I talked to them at a normal volume, and every single one of them insisted that I wasn't really talking, just moving my lips. They are that good.
*Very comfortable. They fit nicely on my head, and even after wearing them for hours, they aren't uncomfortable in the slightest.
*They come with an extension cord and adapter for a larger plug style. I thought the short cord along with the longer extension was a nice touch, and adding the adapter was really nice also.

*I can't think of any downsides, I'm absolutely thrilled with my purchase.

A wonderful pair of closed headphones made by one of the premier manufacturers of headphones. You absolutely can't go wrong with these.
64 of 70 people found the following review helpful
Professional musician approved... Nov. 19 2009
By B. Leeper - Published on
Verified Purchase
These cans have become a sanctuary for this touring musician... All of the elements are there for reproducing recorded music superbly. Slip them on and the outside noises slightly go away. Put on the music and the outside noises and distractions are gone, leaving only you and your tunes. The music sounds tight throughout the spectrum. I have used these cans both with and without an amp (the Fii0 3) and I prefer the amp since it boosts the volume and some key frequencies. The iPod volume has to be pretty close to %90 to have a healthy listening level without the amp. Of course, the original volume level of the MP4 has a lot to do with the output volume of the iPod.
Right out of the box, they sound great great but are a little bright sounding. I have been burning them in for around 24 hours and they are mellowing quite nicely... m-e-l-l-o-w

To me, its heaven to lay down on my bunk and put these babys on and listen to my library in HI-FI while riding down the highway (then usually falling fast asleep with them on). That is another great point... you can lay on your back and sleep with these on since they are light weight and the pleather ear pad covers are friendly and comfortable. They also ship with an o.k. drawstring bag and a gold plated extension cord (great idea!)

My only complaint is that they seem a little fragile since they are constructed out of plastic and designed to be light weight (we all know what happens to plastic over time.) I would rather have had a longer lasting frame and more weight. If you sit on them, they are goners! And the cord is thin like a set of portable phone would have. Maybe they have to do this to keep the ohms low enough for an iPod to push the speakers? I think they were trying to keep a lot of the features of these cans similar to a portable while still being super hi-fi. They also look super sharp either on or off.

I guess I am not what some refer to as an audiophile (I don't know any audiophiles that prefer headphones unless they are traveling or DJing live) but I do make my living playing music and equally enjoy listening to it. These phones do color some frequencies, but all consumer audio gear does that. You would be crazy to want to listen to totally flat studio headphones or speakers for leisure, leave that to audio mastering engineers. These cans do not over emphasize the bass, which is great if you like a wide range of music, not just rap, etc. If you are into heavy bass, pick some cans that are geared for that. It personally drives me nuts when listening to boomy upright jazz bass. These cans don't do that!

Bottom line: I LOVE these!

And for $100 you can't loose!
17 of 18 people found the following review helpful
Awesome sound quality and comfort Nov. 27 2009
By Debra J. - Published on
Verified Purchase
After about 20 hours of burning in by playing some pretty loud music, the sound on these phones are outstanding. The richness of sound is very good with my new Nano iPod. I could get an amp but feel like I don't really need it that much. It does not really fit around your ears like it seems to imply but they are still very comfy.

The only reason I am not giving 5 stars is that the headphones are a bit on the loose side if you have a narrow head and not really adjustable since the frame is plastic. My husband helped me figure out a way to address this but it may be an issue for some people.
16 of 17 people found the following review helpful
Extremely Impressed June 4 2010
By JimT - Published on
Verified Purchase

I was looking for closed headphones that I could use while in bed without disturbing my wife. This was mostly for music, but also TV viewing late at night.

I am an audiophile who loves music and have a rather high-end system (separates) in another room. In general, I am not a headphone listener, and dislike many of the lower cost headphones I own or have owned. I listen to mostly uncompressed, CD quality or higher quality music. Mostly this consists of Jazz, acoustic, vocal, classical, world, etc. Not much rock/pop at all (nearly zero) I am sensitive to poorly integrated bass, have owned some sennheiser lower cost PX100, and although I could tolerate them for short periods, the bass constantly annoyed me. In general, I have often liked the delicate non-strident high-end of most Sennheiser headsets through the years.

For this purpose, these phones plug into a low-end, low-cost Onkyo AV Receiver I use in the bedroom. I actually like the Onkyo, and feel its sound is musical, and not at all strident or difficult to listen to. Unfortunately, the Onkyo like most cheap AV receivers performs volume control in the digital domain, removing information/resolution from the signal as it gets softer. Yet, it remains musical at reasonable volumes, and surprisingly well resolved through these headphones.

I was shocked with the quality and well-balanced aspects of these headphones. For the money, I have a suspicion that this particular headphone in the Sennheiser lineup has probably the most balanced audiophile type sound for the least amount of money. Go lower, and many or most of these types of phones sound bloated geared towards ears that like the boom/tic sound. These maintain a nice top-bottom coherence, reasonably good bass definition, fantastic midrange detail and timbre accuracy, along with the familiar delicate high-end I like from most good Sennheisers. Definitely non-fatiguing.

They are nicely comfortable and appear relatively well made for the price. They are low-cost phones -- keep that in mind here.

Negative is they are clearly positioned down-market, towards portables, with the native 1/8" jack. I use the included 1/4" adapter and pair this with the long Grado extension cord to reach my listening position. The thinness of the captive cord is obvious, particularly in contrast with the robust Grado extension it is going into (highly recommended extension). The combination of the 1/4" adapter and thin native cord should be degrading the sound to some extent. However, they still do sound unexpectedly fantastic through this combination to the Onkyo receiver. Looking on the specs from Sennheiser, it appears the tiny thin cord is made from OFC, which probably helps despite its apparently frail thinness.

All in all, I am extremely happy with this purchase, and wanted to share a slightly different perspective on these musical headphones.

Happy Listening