Sony MDRNC11 Open Noise Cancelling Headphones
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Battery life (max): 400 h
Battery type: AAA
Cable length: 1.5 m
Cable type: OFC
Connectivity technology: Wired
Headphone frequency: 10 - 22000 Hz
Headphone sensitivity: 102 dB
Impedance: 20 Ω
Magnet type: Neodymium
Weight: 47 g
Small enough to keep with you at all times and ideal for achieving peace and quiet in planes, trains, buses, and cars, Sony's MDRNC11 noise-canceling Fontopia ear-bud headphones reduce perceived outside noise by more than 70 percent (up to 10 dB at 300 Hz) so you can hear musical nuances against a quieter background.;The headphones' noise-canceling circuit senses outside noise using tiny, built-in microphones and sends an equal-but-opposite canceling signal to the headphone drivers, effectively blocking solid-state (continuous) noise from 50 to 1,000 Hz. It's especially effective on noises like air-conditioning systems, freeway rumble, and airplane engines (from a passenger's perspective).
The switchable noise-canceling circuitry runs for approximately 60 hours on a single AAA alkaline battery. When noise canceling is off, the headphones continue to function for standard music listening (and with slightly better sound quality). An inline volume control lets you adjust the sound without having to access your sound source.
25 customer reviews
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So I put in a battery, plugged the jack into my MP3 player and slid the earphones into my ears. Then I switched ON the noise cancellation. SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS.
I switched OFF the noise cancellation and the electronic tinnitus stopped.
In a quiet environment these are bl**dy annoying. Really irritating.
I've since used them on a plane and they are OK - but the noise cancellation works to such a small extent and they are physically more cumbersome than conventional Sony buds. I'll probably never use them again.
Another thing which is important is that you do not upset people around you with these headphones. Because all of the sound is directed down your ear canal thanks to the silicon ear buds the noise loss outside of the ear is minimal, therefore no one else can hear your music. Oh if only every one on my train would buy these so i dont have to hear them when I dont have these headphones with me!!!
Conclusion: At £50+ these are still expensive buy they do deliver what I feel is proper noise cancelling and in my opinion they are worth every penny.
When I saw that the follow-up model, the NC11, had three different sizes of earplug, it looked as if Sony had addressed my one complaint about the NC10, so I bought a set. Yes, the earplugs are lighter and more comfortable than on the NC10, but unfortunately the noise-cancellation is nowhere near as good. The NC10 did seem to genuinely get rid of the rumble of jet engines - as you turned them on, you could hear the noise recede. All the NC11 seems to do is to hiss loudly - there is a degree of noise attenuation, but it is nowhere near as effective as on the NC10. I'm not convinced that actually, all that the NC11 does, is hiss loudly enough to drown out other sounds.
I went back to my NC10s, which still work well. I may upgrade to Sony's new digital in-ear noise cancelling phones when they launch this year, but I'd advise people not to bother with the NC11.
These ones are `just the job' though & although they were cheap, they sound really very good. I especially like the base response, the treble is also nice & crisp too. Once you get used to the fact that to appreciate the base tone properly you have to push the ear piece right into the ear canal. There are three different sizes of earpiece & surprisingly I can just about manage to fit the small ones.
You can turn the "active" noise suppression on & off; I prefer to keep it on as it sounds better anyway. There is a very convenient unit on the earphone lead that also allows you to adjust the volume. This unit takes a normal AAA battery and lasts many hours, enough for the average flight to Europe or the Middle East I guess.
The reason I bought the noise-reduction ear pieces was for when I was flying & to cut out the background noise of the airplane, which works very well indeed. I'm sure it would fair just as well on a train etc.
I'm sure there are many other more expensive versions on the market, but I am really pleased with these ones & because of their low price, it won't break my heart or the bank should I lose or break them.
The "in-flight" plug adaptor was an especially good idea to include & useful too.
My pair unfortunately went broken few time after that flight: one of two earphones started making bad contact and became mute. Next time I'll buy another Philips or I'll try another brand