วันจันทร์ที่ 23 มกราคม พ.ศ. 2555

JVC HANC250 Noise Cancelling Headphones - Black

Product Description Product Description The new JVC HA-NC250 combines outstanding sound quality with advanced noise-canceling and isolation technologies, for a superior, uninterrupted listening experience. Outstanding sound quality with advanced noise-canceling and isolation technologies. Detachable four-foot cable. Headphones fold up to fit in included slim carrying case. 85% Noise Reduction The HA-NC250's noise cancellation circuitry includes feedback technology, which constant monitors extraneous background noise to eliminate up to 85 percent. For further isolation, JVC employs a double housing structure on each earpiece, providing an extra sound insulation layer. The headphones' foam-cushioned ear pads add one last layer, not to mention they're nice and comfortable for long listening sessions. The headphones use a single 1.5-volt AAA battery for powering the noise cancellation circuitry, squeezing about 50 hours of use from a single battery. Noise Reduction On/Off Switch For convenience, the HA-NC250's active noise cancellation can be switched off, enabling you to address someone speaking to you, hear announcements on a plane trip, etc. Great Sound Eliminating outside sounds is half the job. For the best possible sound quality, these headphone use a 40mm neodymium driver in each earpiece, for high sensitivity and a great frequency response. Ultra-Portable For comfort and portability, the HA-NC250s are one of the lightest headphones in their class, weighing just 5.3 ounces. The phones folds nice and flat, for toting around in the included slim carring case. Also included are the four-foot detachable cord, airline dual plug adapter, and 1/4-inch plug adapter, for use with a wide range of audio and video components. JVC HA-NC250 Specifications Noise Reduction: 18dB at 150Hz Driver Unit: 40.0mm Magnet Type: Neodymium Frequency Response: 8-24,000Hz Input Impedance: 40 Ohms , 96 Ohms Sensitivity: 102dB/1mW , 100dB/1mW Power Supply: AAA Battery x1 Battery Life: 50 Hours Cord Length: 3.94 Feet Weight : 150g Connector: iPhone compatible, Gold Plated What's in the Box JVC HA-NC250 Headphones, Carrying Case, AAA Battery, Dual Plug Adaptor, 6.3mm Plug Adaptor Product DescriptionRemember your first time listening through headphones? The JVC HA-NC250 refreshes the entire experience. Noise-cancelling headphones reduce unwanted ambient sounds by means of active noise control. You get to hear more of what you want to listen. The JVC HA-NC250 is an extremely effective pair of noise-cancelling headphones, with up to 85% noise reduction with feedback technology, as well as memory foam cushion and extremely smooth ear-pad surface that isolate background noise effectively. Use the HANC250 as a pair of normal headphones when the noise-cancel mode is turned off. Turn down the noise and listen. It's like hearing for the first time. The 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 -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 up to 50 hours . Whether you're listening to your portable or your home sound system, the HA-NC250 are a natural match. Memory Foam cushion earpads. Also function as regular headphones

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