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Sennheiser HD448 Closed Circumaural Hi-Fi Headphone (Discontinued by Manufacturer)
- 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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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
| 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 |
Top customer reviews
The price was a bit hefty, and considering Sennheiser's rep and all the feedback I heard about this particular pair, I was pretty excited. So the finally arrived and I put them on right away and was astonished that they were on par, if not better, than my old 201's right out of the box. Now that the burn in process is complete their sound is just incredible, everything is so crisp, clear and deep. I was absolutely amazed at how incredible vocals in general sounded, it was like listening to the singer as if he/she was right next to me. So overall the sound was phenominal...when plugged into a pc. I've long been listening to the flac format almost exclusively so I was very much used to the sound quality of a pc, but even despite the Ipod's vastly inferior sound quality these phones still sound superb.
Now for the big question...do they block out more noise? A short answer: yes
A much longer answer: They do to a degree. Unlike the 201's which rest directly on your ears, the 448's actually engulf them which right away blocks out more sound than the 201's. So lets get right into the real deal of sound isolation, I decided to pit them against something that is considerably loud and hard to ignore...a lawnmower. So I decided to break these out and put my music at the usual volume setting, which is about %60, while I could still hear sound of the lawnmower, the overall sound was actually blocked out pretty well, much much more so than my 201's which actually required me to pump up my music a little too high.
So in terms of sound isolation they do a solid job, they could be a bit better but I'm pretty satisfied with them.
So to wrap this up, you may think the price is a bit to steep but after the burn in process is complete they sound phenomenal and are easily worth the price for music lovers. I would recommend these to anyone looking for quality sound from their players, or pc's. Even with portables such as the DS or PSP they sound great. I won't be upgrading for quite some time as long as I have these baby's.
All in all, these should be bought. If great comfort, sound quality, construction, and mobility are important to you, these should be perfect. Also, they look pretty cool!