Sennheiser HD448 Closed Circumaural Hi-Fi Headphone (Discontinued by Manufacturer)
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- High quality closed back around the ear headphones
- 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" headphone plug (1/4" adapter included)
- 2 year warranty, Input Impedance - 32 ohms
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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
| Frequency ||21-18,000 Hz || 18-21,000 Hz || 22-19,500 Hz || 18-22,000 Hz || 17-22,500 Hz |
| THD ||< 0.7% || < 0.5% || < 0.7% || <0.1% (1 kHz/100dB) || <0.1% (1 kHz/100dB) |
| Transducer Priciple ||Dynamic || Dynamic, Closed || Dynamic, Open || Dynamic, Closed || Dynamic, Closed |
| Weight ||165g || 130g || 230g || 390g || 394g |
| Wireless ||No || No || Yes || No || No |
| 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) |
| Warranty ||2 yrs || 2 yrs || 2 yrs || 2 yrs || 2 yrs |
Product Packaging: Standard Packaging
Top Customer Reviews
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.Read more ›
*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.
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?Read more ›
Most Recent Customer Reviews
Outstanding clarity and well balanced sound. Great for classical music. I'm listening to KUSC on iHeart radio right now on my Samsung phone unamped and am stunned by what I'm... Read morePublished 1 month ago by Classical music lover
I bought these to use at the library while I was studying. Although they do not block out as much noise as I wanted, they do sound superb. Read morePublished 2 months ago by Jose Ramirez
Bought it 4 years ago and across all this years have been a very good headphonesPublished 10 months ago by Sergio
I've been using this headphone for 4 years now, and its been absolutely brilliant. Great neutral sound, very comfortable to wear, and doesn't show wear and tear.Published 14 months ago by Raja Bala
I'd definitely buy again. Once you've broken these in, they are great sounding, handle heavy/everyday use, and wear easily. Read morePublished 15 months ago by Chris Bell
Fantastic headset. Great audio quality (maybe not for an audiophile, but superb for common use), and very comfortable. Read morePublished 17 months ago by Patti Thomason