AKG K551SLV Closed-Back Reference-Class Headset with In-Line Microphone and Passive Noise Reduction, Black/Silver
View LargerAKG K551 (Black/Silver)Reference-class over-ear headphones with 1-31/32" (50mm) drivers, Real Image Engineering and in-line microphone.AKG engineers have optimized the AKG K551 headphones for a fully immersive listening experience. Starting with a 1-31/32-inch (50-millimeter) driver on each ear, these reference-class headsets use Real Image Engineering to create a highly realistic sound environment with a true sense of three-dimensional space. Stylish and portable, the AKG K551 lets you take AKG studio-quality sound with you go wherever you go. And an in-line microphone lets you take calls from your iPhone. The lightweight, comfortable AKG K551 also has impressive passive noise reduction and extremely low sound-leakage levels. So you can stay blissfully inside your sound environment for hours on end.AKG K551 Black/Silver at a glance:Famous AKG sound quality1-31/32" (50mm) driversReal Image EngineeringOutstanding passive noise reductionClosed-back designIn-line microphone and remote controlClassic-meets-contemporary design2D-axis fold-flat mechanismView 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.1-31/32" (50mm) driversPowerful 1-31/32-inch (50-millimeter) drivers enable AKG K551 reference-class headphones to do things that other headphones can only imagine. Music is rich and layered, while sound environments seemingly unfold before you no matter how loud you turn up the volume.Real Image EngineeringReal Image Engineering is the science that fits an actual soundstage inside the space between your ears and the AKG K551 headphones. With Real Image Engineering, sounds are huge and accurate, with an incredibly realistic sense of width, distance and depth.Outstanding passive noise reductionTraffic is loud. Subways are loud. Other people’s phone calls are loud – and annoying. But you may never know it, because AKG K551 headphones offer effective sound insulation. Premium foam ear pads wrapped in soft leather help create an acoustic seal, so all you hear is the music you love.Closed-back designThe AKG K551 reference-class headset keeps music in and noise out. Its closed-back design helps prevent outside noise from entering your ears and minimizes sound leakage. So your music is yours and yours alone to enjoy anywhere you go.View LargerIn-line microphone and remote controlAKG K551 headphones have an in-line microphone so that you can make calls that are every bit as crisp and noise-free as the music you listen to on your iPhone. The mic is ideal for FaceTime and Skype applications, and virtually any app requiring a microphone. The headphones’ three-button remote lets you control the playback functions and volume from iPhone and iPad devices, as well as Apple laptops and desktop computers.Classic-meets-contemporary designGreat music doesn’t go out of style, and neither will the AKG K551. These reference-class headphones are sleek and sophisticated, with a commanding yet minimalist design that is available in either white or black and silver.2D-axis fold-flat mechanismThough you may never want to, you will take your AKG K551 headphones off at some point. When you do, the AKG K551 folds flat for simple, worry-free storing and transporting. High-quality, metal-alloy material keeps the folding mechanism strong and durable.General SpecificationsAKG K551 (Black/Silver)   SystemDynamicDesignClosed-backColorBlack/silver with silver cableFrequency range12Hz – 28kHzSensitivity114dB SPL/VInput impedance32 ohmsMaximum input power200mWNet weight (without cable)10.76 oz (305g)Cable99.99% oxygen-free cable, 4' (1.2m)Main connection1/8" (3.5mm) stereo mini-jack plugWhat's In The Box1 set of Black/Silver AKG K551 reference-class headphones1 3' 11-1/4" (1.2m) cableDimensional, spacious audio for on-the-go lifestyles.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.