Details: Arrive refreshed after a long flight, avoid distractions in a noisy office, or find peace & quiet in your living room?with ATH-ANC7b QuietPoint? Active Noise-Cancelling Headphones. These lightweight, compact headphones effectively reduce distracting background noise by 90% while offering the superior audio quality that has made Audio-Technica a worldwide leader in electro-acoustic technology. Ideal for use with MP3, CD, DVD & in-flight entertainment systems, ATH-ANC7b QuietPoint? closed-back headphones deliver clear, high-resolution sound, with impactful bass, a detailed midrange, extended treble and accurate imaging in an immersive soundfield. Their earcups have been redesigned for greater comfort, with generously cushioned padding and a shape that fits easily over any ear. The ATH-ANC7b QuietPoint? headphones feature large-aperture 40 mm drivers with neodymium magnet systems and extremely high 109dB sensitivity to provide generous volume levels from any music source. The headphones also work when the noise-cancelling function is turned off, and operate in passive mode without batteries. Noise-cancelling electronics are fully integrated in each earpiece, with no need for external modules. Read how Active Noise-cancelling Headphones work. * ATH-ANC7b QuietPoint? noise-cancelling headphones feature ANC circuitry that effectively reduces environmental noise by 90% * Lightweight, compact, fold-flat design is ideal for travel * Ideal for use with Apple? iPod?, iPhone? and iPod touch? portable music and DVD players, laptop computers, in-flight entertainment systems and other devices * Closed-back headphones feature large-aperture 40 mm drivers with neodymium magnet systems for impactful bass, extended treble and higher fidelity * Comfortable earcups with generously cushioned padding and a shape that fits easily over any ear * Audio functions (in passive mode) even without the battery * Fully integrated electronics?no external modules needed * Fold-flat design with included 3.5 mm mini-plugs, a full-size ?? adapter, a specialized airline adapter for connecting to in-flight entertainment systems, and a handy carrying case SPECIFICATIONS Type Active noise-cancelling Driver Diameter 40 mm Magnet Neodymium Frequency Response 10 - 25,000 Hz Maximum Input Power 500 mW Sensitivity 109 dB Impedance 300 ohms Weight 210 g (7.4 oz), without cable and battery Cable Detachable 1.6 m (5.2') with 3.5 mm (1/8") stereo mini-plug; Detachable 1.0 m (3.3') with 3.5 mm (1/8") stereo mini-plug Connector 3.5 mm (1/8") Accessories Included 6.3 mm (1/4") stereo adapter; airline adapter; AAA battery; carrying case with attached accessory pouch QuietPoint? Active Noise Reduction: Up to 20 dB Battery: AAA (alkaline) Battery Life: Up to 40 hours, typical (alkaline) Specifications measured with headphones in active mode.
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