| | | |  - High-quality sound reproduction with 40mm neodymium driver unit
- 85% noise reduction with feedback technology
- Memory foam cushion and extremely smooth ear-pad surface isolate background noise effectively
- Works as normal headphones when turned off; Detachable 4.9' connection cord
- Includes carrying case and dual plug adapter for in-flight use
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| | | |  Product Description:
The new JVC HA-NC250 combines outstanding sound quality with advanced noise-canceling and isolation technologies to provide a superior listening experience. The HA-NC250âs noise cancellation circuitry includes feedback technology that constantly monitors the noise cancellation process. As a result, the headphones eliminate up to 85 percent of extraneous background noise. To further block noise, the HA-NC250 offers two JVC innovations that help isolate the listener from outside sounds. First, each earpiece employs a double housing structure for an extra sound insulation layer. Second, JVC developed a new technique for attaching the headphoneâs smooth memory foam cushioned ear pads to the housing that helps isolate background noise. The smooth pads also enhance comfort. These sound isolation features, for which patents have been applied, are especially important since the HA-NC250 can be used with the active noise cancellation switched off. For the best possible sound quality, the new headphone uses a 40mm neodymium driver in each earpiece. For comfort and portability, the JVC HA-NC250 is one of the lightest headphones in its class, weighing just 5.3 ounces. It folds flat, and when folded is slimmer than most competing models. Included with the HA-NC250 are a slim carrying case, a four-foot detachable cord, airline dual plug adapter, and ¼-inch plug adapter for use with many home audio and video components. The headphones use a single 1.5-volt AAA battery for powering the noise cancellation circuitry. Battery life is rated at about 50 hours. The HANC250 is an extremely effective pair of noise-cancelling headphones, with 85% noise reduction with feedback technology, as well as memory foam cushion and extremely smooth ear-pad surface that isolate background noise effectively. They also function as a pair of normal headphones when turned off. Memory Foam cushion earpads Also function as regular headphones | | | | |
Average Rating : 
Rating : - Yes They Do!
I'll be straight...I was a little skeptical about the idea of "noise canceling" headphones. Honestly, until you've heard my mother-in-law when she gets a few in her, you don't know what noise is. I didn't think the boys at JVC knew either.
We had the wife's family over for a get together...a Bar Mitzvah I believe, even though none of us are Jewish. Anyway mother-in-law--whom I love, don't get me wrong--started on one of those high-volume diatribes that come when she has a couple of bloody Marys. And she was in rare form that day. You could have landed a 767 in the living room and no one would have noticed. It was a perfect time to test the headphones.
Well they worked so well when I put on the best of Michael Bolton (I don't really like Michael Bolton, but any port in a storm), that I didn't even bother to flag mom-in-law! I kept looking at her and telling her to speak up, and she gave it all of both lungs and I still couldn't hear a thing. Reading her lips I think it was something about wanting bigger thighs or something. So these are quite excellent and work as intended.
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