AKG K701 Open-back Studio Reference Headphones

Open-back Dynamic Headphones with Flat-Wire Voice Coil, 3-D Foam Ear Pads, and Self-adjusting Headband
AKG K701 Open-back Studio Reference Headphones image 1
AKG K701 Open-back Studio Reference Headphones image 1
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AKG K701 Open-back Studio Reference Headphones
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Audiophile Headphones with Cutting-edge Flat-wire Voice Coil

The AKG K701 takes over! For 15 years, AKG's K1000 headphones ruled the audiophile's world. Now, they pass the mantle of super-accurate acoustic reproduction to the new K701 - the first headphone to employ cutting-edge flat-wire voice coil technology along with AKG's patented Varimotion technology. The result is a truly dramatic sound that places every musician at their correct location with pinpoint accuracy. This kind of agility and spaciousness coupled with brilliant highs, and velvety, punchy bass is simply miraculous. The superlative K701 open-back dynamic headphones provide an outstandingly accurate sound and excellent imaging. Find out what ingenious headphone engineering can do for your listening experience - try the AKG K701s!

AKG K701 Studio Reference Headphones at a Glance:
  • Revolutionary flat-wire voice coil technology
  • Patented AKG Varimotion ultra-precision two-layer diaphragm
  • Self-adjusting leather headband with 3D-Form earpads
  • Bi-wiring, high-performance cable
  • Individually tested and numbered
Revolutionary flat-wire voice coil technology

Whether you prefer the holistic approach or like to listen analytically, the K701s will turn perception into pure enjoyment. AKG is the first manufacturer in the world to use revolutionary flat-wire technology in headphones. An aluminum flat-wire voice coil moves within a powerful field generated by a computer-optimized axial system of neodymium magnets. This flat-wire coil is smaller and has lower impedance than the K1000's voice coil, yet its optimal fill factor helps make the motor more efficient, enabling the K701 to work with typical headphone amplifiers (the K1000 requires additional amplification). The combination of a strong and uniform magnetic field with a light yet powerful coil enables the K701's diaphragm to track audio signals with unprecedented accuracy. The sonic improvement is particularly apparent in the low frequencies.

Patented AKG Varimotion ultra-precision two-layer diaphragm

The K701s have an all-new diaphragm that continues the evolution of the K1000's multi-layer design. Advanced production technology combines two different materials: the first optimizes diaphragm motion, while the second dampens undesirable breakup modes. AKG's patented Varimotion technology varies the diaphragm's thickness: the 80-micrometer center zone is virtually pistonic for well-balanced, undistorted high frequency response, while the highly-elastic 40-micrometer perimeter handles the increased excursion required for accurate midrange and solid bass reproduction.

Self-adjusting leather headband with 3D-Form earpads

Designed in collaboration with award-winning Austrian firm Kiska, the new K701s update AKG's distinctive design vocabulary with natural materials, including a self-adjusting padded glove leather headband. These new headphones embody functionally aesthetic styling with a bold design in white, brushed aluminum, and sienna. The 3D-Form earpads are specially shaped for an ergonomically perfect fit, precise and repeatable location on the ears, and superior acoustical transmission.

Bi-wiring, high performance cable

AKG engineers considered the entire signal path from amplifier to eardrum when designing the K701. Bi-wired oxygen-free copper cables optimize channel separation. Frequency response is flat from 10Hz-39.8kHz - well beyond the range of human hearing. Sensitivity is 105dB, while power handling is 200mW. But conventional measurements don't tell the full story of this very unconventional set of headphones. With wide dynamic range and extremely low distortion, the K701s deliver brilliantly detailed highs and velvety yet punchy bass - a perfectly balanced, natural sound that places every musician at a specific location in the mix with pinpoint accuracy.

Individually tested and numbered

The K701s' deluxe packaging reflects their elite flagship status. Each individually tested, calibrated, and numbered set of headphones comes with its own metal storage cradle, which is enclosed in a presentation case. Like the K1000 it replaces, the K701 is backed by a two-year parts and labor warranty.

AKG K701 Features:
  • Revolutionary flat-wire voice coil technology
  • Patented AKG Varimotion ultra-precision 2-layer diaphragm
  • Self-adjusting, cushioned, genuine leather headband
  • Bi-wiring, high-performance cable with 1/4" jack plug
  • Comfortable, specially shaped 3D-Form earpads
  • Complete with stylish storage cradle
  • Individually tested and numbered
  • 10Hz-39.8kHz frequency response
  • 200mW maximum input power
  • 62-ohm impedance
  • 1/4"-1/8" stereo adapter
AKG's relentless drive for innovation has produced a new audiophile flagship: the open-back, dynamic K701 headphones!

Additional Media

Headphones Buying Guide
Live Sound Monitor Buying Guide
Studio Monitor Buying Guide
New In Stock At Sweetwater

Tech Specs

Open/Closed Open
Fit Style Circumaural (Around the Ear)
Driver Size 45mm
Frequency Response 10Hz-39.8kHz
Impedance 62 ohms
Cable Type Straight
Cable Length 9.8'
Plug Size 1/8" (1/4" Adapter Included)
Weight .52 lbs.
Manufacturer Part Number 2458X00180

Customer Reviews

Based on 20 reviews
Write your review

Comfortable and Clear

AKG provides a really different listening experience. I bought them to listen to my guitar through the amp so that I could turn it up loud ("turn everything up all the way" - Neil Young) without having the neighbours bang on the door to complain about the noise (which actually happened the night before I started using the earphones). I can turn everything up without hurting my ears (or those of the neighbours), and I can hear every painful mistake with perfect clarity. And they can stay on my head for a couple of hours every day without my ears suffering earphone fatigue.
Music background: Aspiring (and struggling) to become an intermediate player (i.e., master/attempt barre chords)

angels playing my eardrums

The moment I laid eyes on them before they were even released I wanted them. One cannot escape their aesthetic power and beauty! Its mesmerizing. Last Christmas I open my present from my girl and to my surprise, there they were! I gently open the package, plug them in, and turn on Steve Reich.....I seriously think this is how God hears music. lol. But seriously they are incredibly comfortable and the sound is pristine. I live in my headphones now and they are worth every penny.
Music background: Amateur Composer/Engineer

Perfect Accuracy

The clarity of these headphones is second to none. After the initial long 300 hour break-in time these cans sing. Crystal clear highs and smooth but not overbearing lows make these a pleasure to listen to. I can do a mix on location with these without having to bring my monitors, (Dynaudio AIR 25's) and trust that it's going to sound just as good when i get it back in my room. They really are the picture of accurate monitoring in headphones. You can't get much better
Music background: Recording Engineer, Studio Manager, Musician

Awesome headphones

These are amazing straight out of the box. They are incredibly detailed. You will hear every single flaw on every recording. You will hear every inch of the noise floor. The difference between these and other headphones is the difference between black and white tv and high def color tv. They are an open design, but they are so clear that you don't need very high levels, and bleed is minimal.
Music background: Recording student

Great Headphones!!!

These are awesome. Sound as good as just the monitors. In fact I'm using them more than my monitors because the clarity is so crystalline and it's more intimate.
Music background: Composer
See also: Head Phones, AKG, AKG Headphones, AKG Headphones