"Product of the Year" 2012 What Hi-fi Magazine
"A Must-audition Pair of Cans"
Looking for high quality performance, portability, and style? These are the qualities that the AKG K451 foldable headphone is all about. The K451 connects to any portable music player and with your smart-phone can also be used to make hands-free calls. This update of AKG's 2009 Red Dot Design Award winner is a must for anyone who is both in the know and on the go.
The K451 was honored as a "Product of the Year" for 2012 by England's What Hi-fi magazine, which noted, "Their agility and timing makes the K451s an enthusiastic-sounding pair of headphones, and every bit the successful update to our previous award winners, the K450s. That character, combined with their excellent build and compact size, makes them a must-audition pair of cans."
Rich Sound
The K451's drivers deliver rich, lifelike sound across a frequency range of 11 Hz to 29.5 kHz, providing the full dynamics and 3-D spatial imaging of a live performance. Their closed-back design ensures that you'll hear your music exactly as its creators intended you to hear it with little ambient sound to distract you.
Headphones By and For the Experts
AKG headphones are designed by acoustical experts and used by experts, too. Since 1947, AKG Acoustics has produced technology for recording studios, touring musicians, radio stations, and TV stations. AKG engineers have accumulated more than 1,500 patents. They invented the condenser microphone, perfected high-quality digital transducers, and developed the Mir space station's sound-processing board.
AKG equipment has toured with artists such as Frank Sinatra, Eric Clapton, Peter Gabriel, Aerosmith, the Rolling Stones and Kanye West, and recorded studio albums with countless others. In 2010, AKG Acoustics received a GRAMMY® award for technological innovations and contributions to the music industry.
Compatibility with iPod, iPhone, iPad, and Android Devices
Wherever you take your music, the AKG K451 can retrieve it. The K451s are compatible with iPod, iPhone, iPad, and Android devices. The come with two single-sided, detachable cables made of 99.99% oxygen-free copper and terminated with a hard gold-plated 3.5mm (1/8") jack plug and contacts. .
Easy Storage and Portability
The K451 has a unique 2D-Axis folding mechanism for easy storage and portability. Unlike most other full-size headphones, the K550s fold flat to fit into a drawer. They also saving space in a backpack or briefcase when you're on the road.
Note: *Remote control and microphone supported by iPod nano (4th generation and later), iPod classic (120GB/160GB), iPod touch (2nd generation and later), iPhone 3GS, iPhone 4, iPad and iPad 2. Remote control supported by iPod shuffle (3rd generation and later). May require latest software version on device. | 
