Audio-Technica QuietPoint Active Noise-Cancelling Closed-Back Headphones Silver- Certified Refurbished

Audio-Technica ATH-ANC7BSV-RB QuietPoint Active Noise-Cancelling Closed-Back Headphones Silver- Certified RefurbishedDescriptionArrive refreshed after a long flight, avoid distractions in a noisy office, or find peace & quiet in your living room…with ATH-ANC7bSV 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 smartphones, tablets, MP3, CD, DVD & in-flight entertainment systems, ATH-ANC7bSV 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 are generously cushioned and a shape that fits easily over any ear. The ATH-ANC7bSV QuietPoint® headphones feature large-aperture 40 mm drivers with neodymium magnet systems and extremely high 109 dB 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.Features ATH-ANC7bSV 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 smartphone and tablets, 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 Specifications Type Active noise-cancelling Driver Diameter 40 mm Magnet Neodymium Frequency Response 10 - 25,000 Hz Quietpoint® Active Noise Reduction Up to 20 dB Maximum Input Power 500 mW Sensitivity 109 dB Impedance 300 ohms Battery AAA (alkaline) Battery Life Up to 40 hours, typical (alkaline) Weight 210 g (7.4 oz), without cable and battery Cable Detachable 1.0 m (3.3') cable with 3.5 mm (1/8") stereo mini-plugs Connector 3.5 mm (1/8") Accessories Included AAA battery; protective pouch     Specifications measured with headphones in active mode.