audio technica ath-anc7b active noise-cancelling closed-back headphones
arrive refreshed after a long flight avoid distractions in a noisy office or find peace and quiet in your living room with ath-anc7b quietpoint active noise-cancelling headphones . effectively reduces distracting background noise by 90 . includes 1 4-inch and airline adapters and carry case . these lightweight compact headphones boast circuitry that effectively reduces 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 and 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 . these headphones feature a lightweight compact fold-flat design is ideal for travel -- in fact a specialized airline adapter for connecting to in-flight entertainment systems is included along with a handy carrying case . ath-anc7b 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 1.6 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 connectorr 3.5 mm 1 8 what s in the box ath-anc7b headphones 1 4-inch adapter airline adapter aaa battery carrying case with attached accessory pouch