AKG K490NC High-Performance Active Noise-Cancelling Headphones
View LargerAKG K490 NCHigh-performance, active noise-canceling in-ear headphones.With the AKG K490 NC headphones, you can take full advantage of our active noise-cancelling  technology at an affordable price. The headphones’ light weight means a comfortable fit, no matter how  long you wear them. Even portability and storage are made easy with the K490 NCs' unique 3D-Axis  folding mechanism.AKG K490 NC at a glance:Famous AKG sound qualityHigh-performance, active noise-cancelling technologyExceptional AKG sound qualityContinues sound for listening with empty batteryUSB chargeable (adaptor included); no batteriesUnique 3D-axis folding mechanism for easy transport and storageComfortable charging from any USB portLightweight for longwearing comfortFlight adapter and premium carrying case includedView LargerKey FeaturesFamous AKG sound qualityFor over 65 years, AKG Acoustics has been the leader in creating studio sound in headphones. We  hold over 1,400 patents for our groundbreaking products, plus two technical GRAMMY Awards (in 2010 and  2005) for sound innovation.High-performance, active noise-cancelling technologyThe AKG K490 NC headphones feature HARMAN-exclusive noise-reduction algorithms that ensure the  highest-quality noise cancellation. The headphones give you, the listener, an unsurpassed performance  from all your audio.Closed-back designKeep the sounds you want in and the outside world at bay. The AKG K490 NCs feature a closed-back  design similar to the headphones that studios use when recording tracks – ideal if you want a sense of  isolation from outside noise. Even when noise cancelling is turned off, you’ll continue to enjoy an  exceptional listening experience.Exceptional AKG sound qualityFor more than 65 years, musicians and audio engineers have relied on AKG technology within the  studio for vocal performances, instrumentation, mixing, mastering and engineering. In the K490 NCs,  this sought-after sound is now available for you to experience and enjoy.Built-in USB chargingNo batteries to buy. The K490 NCs feature a built-in rechargeable battery that comfortably charges  via any USB port. With a full charge, you’ll get more than 40 hours of continuous listening.View LargerContinuous soundEven when the K490 NCs’ built-in battery has run dry, the supplied bypass cable lets you continue  to listen to your audio. You can’t do that with most other noise-cancelling headphones.Unique, 3D-Axis folding mechanismFold them up and take them with you. The K490 NCs’ 3D-Axis folding mechanism is great for those who  want to take great sound wherever they go.Light weight and soft leather padsThanks to the K490 NCs’ soft leather ear pads, you’ll barely know that you’re wearing headphones.  This feature, coupled with the headphones’ extremely light weight, is ideal for extended listening  experiences.Carrying case and flight adapter includedTransporting your K490 NCs is easy. The included case is small and works with the headphones’ slim,  foldable form factor. We’ve also included a flight adapter, which gives you more listening options  when traveling.General SpecificationsAKG K490 NC   SystemDynamicDesignClosed-backColorBlack with silver elementsFrequency range20Hz – 20kHzSensitivity117dB SPL/VInput impedance32 ohmsMaximum input power50mWNet weight (without cable)150g (5.3 oz)Cable99.99% oxygen-free cable, 1.4m (4'7")Main connection3.5mm (1/8") stereo mini-jack plugBattery lifetimeover 40 hoursWhat's In The Box1 pair of AKG K490 NC on-ear, noise-cancelling headphones1 premium carrying pouch1 flight adapterUSB charger cableSELECTIVE HEARING.In the world of pro audio, AKG microphones and headsets have been synonymous with excellence for  several decades.Around the world recording studios, radio and TV stations, opera houses and famous stages count on AKG  products. Internationally known musicians and show-stars have frequently been seen using our high- quality microphones and headphones for many decades. Today AKG is one of the leading manufacturers of  high-quality microphones, headphones and wireless-equipment.