Sony MDR-NC40 Noise Canceling Foldable Stereo Headphones General Features: 3.5 mm jack
Integrated clip Magnet: Neodymium Type: Dynamic, closed Cord: 59-inches, approximate
Black color scheme Power Handling Capacity: 50mW Frequency Response: 14 - 22,000 Hz
Plug: Gold-plated L type stereo mini plug Impedance: 68 at 1 kHz (when the power is on)
30 at 1 kHz (when the power is off)
Features:
Noise canceling headphones reduce unwanted ambient noise, providing a quieter environment to enhance your listening experience
Lightweight design reduces stress on head
Soft and comfortable fit from pressure-relieving urethane ear cushion
Compact, folding design convenient for travel use
Compact battery box with monitor function to silence the audio and listen outside
Ideal for airplane
Compatible with iPhone
Specifications:
Sensitivity: 102dB/mW (on); 100dB/mW (off)
Frequency response: 14 - 22,000 Hz
Freq. range of active noise attenuation: 40 - 1,500 Hz more than 14 dB at 300 Hz
Cord: 4.9 foot (1.5m) including battery box
Power source: DC1.5V, 1 AAA battery
Mass: Approx. 80 g (2.9 oz) not including battery box, cord and battery
Accessories Included:
AAA Battery (Manganese)
Carrying Case
Inflight plug adapter
Battery box and cord
Limited warranty card
This review is from: Sony Ultra-Lightweight Foldable Noise Canceling Headphones (Model# MDR-NC40)
A friend bought these for me as a gift at Best buy. Worked great for about three months, but I wish I had kept the receipt longer than three months! First they sounded good, then every once in a while they started to make loud popping sounds in my ear, practically enough to make a person deaf. I thought it was just the low battery. But later I noticed even with new batteries, it was POPPING in my ear more and more over time, until I couldn't even listen to music anymore. Of course by that point it was too late to take them back to the store.
I called Sony at the expensive "quick line" number (beginning with a 239), and after giving my personal info over the phone several times, to several different foreigners, and waiting over an hour for someone to actually help me, they said the problem could not be fixed over the phone, so I could PAY THEM to FIX their headphones for me.
What's the lesson? You decide. Either don't buy expensive Sony products with noise canceling technology that is liable to deteriorate and fail at any time, giving you an earache and then a headache when you mail them back to Sony at your own expense and wait to have them fix them and send them back in 4-6 weeks, hoping they work the second time around, OR...
...you can keep your receipt as long as the warranty lasts because your expensive headphones could be totally worthless without that stupid little piece of wrinkled paper, and after the one year is over, you're screwed if they start to deteriorate anyway, but at least then you can finally take that stupid little piece of paper out of the family vault and throw it away.
PS: This must be why the model dropped in price 50% since it came out. Noise canceling technology, at least when done by Sony, just isn't very stable. Actually, Sony products, unlike other brands, don't usually last past the three month period anyway. I guess the fact that it was a gift made me forget how much Sony sucks. They often have the edgiest technology, but the problem is that it's never been important to them to make it reliable....
This review is from: Sony Ultra-Lightweight Foldable Noise Canceling Headphones (Model# MDR-NC40)
the sony headphones did not begin to canceill the noise of my 46"inch riding lawn mower....
This review is from: Sony Ultra-Lightweight Foldable Noise Canceling Headphones (Model# MDR-NC40)
I bought these for $50 from Best Buy.
PROS:
-foldable (which really isn't all that useful of a feature)
-long cord, six feet total
CONS:
-uncomfortable in numerous ways; for one the "pads" don't even cover the ear and are terrible, because you basically have the hard speaker pressed against your ear; for another, it's designed in such a way that if you don't have a slim face, the arch of the headphones bend into a light V and poke the top of your head.
-the noise-canceling is absurdly bad; when it's off, it does almost no noise-blocking, and when switched on it's marginally better, but there's an annoying hiss in the background.
OVERALL:
Really bad headphones, especially given what they're charging. Honestly you'd be better off buying the $30 Seinheisers, which are better and cheaper.
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