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Sennheiser HD 700 (Factory Refurbished)

Around-the-ear headphones

Item #: 143HD700R

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Original Price: $999.99

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Refurbished by Sennheiser for uncompromised performance

If you're interested in the incredible detail and transparency of reference-quality headphones, Sennheiser has a deal for you. Get a pair of factory refurbished HD 700 headphones and save money while getting the peace of mind that comes with Sennheiser's standard two-year warranty. These incredible headphones are refurbished and tested for quality by Sennheiser, so you are assured the same impeccable level of sonic detail and richness as with a new pair.

Savor every note

Close your eyes and imagine you're in a front-row seat at your own private concert. That's what it feels like when you slip on a pair of Sennheiser HD 700s. Their amazing transparency, speed, and clarity will reveal the subtleties and emotions of your favorite recordings — from the deep, woody overtones and slapping strings of an upright acoustic bass to the quick intake of breath just before the singer belts out her next verse. You'll hear it all just like it went down. That's because the HD 700s use advanced Sennheiser technology and premium materials to reproduce sound as faithfully and accurately as possible.


Expert Sennheiser engineering for high-definition sound

The HD 700s feature drivers that are uniquely positioned to send sound waves to your ears at an angle — simulating the way you would normally listen to a pair of stereo speakers in a room. This slight angle helps create a wide soundstage for a more natural listening experience. So, unlike ordinary headphones that box the music inside your head, the HD 700s present every instrument as if you're sitting in the audience at a live concert. The earcups are designed with steel mesh open backs and a patent-pending ventilated magnet structure to help control airflow into and out of the headphones, reducing turbulence for ultra-low distortion levels.

HD 700 vented magnet structure

Sennheiser's patent-pending ventilated magnet system controls airflow in and out of the ear cups for reduced turbulence and lower distortion.

Quality materials and construction

Borrowing design features from Sennheiser's top-of-the-line HD 800, the HD 700s use a vibration-damping frame and headband layered with special materials to help eliminate unwanted resonances. This optimized setup delivers warm, detailed and balanced sound for the audiophile purist. Plus, a detachable silver-plated oxygen-free copper cable provides superior conductivity at higher frequencies for a smooth, extended treble response that shimmers. And the soft, comfy velour ear cushions will have you listening happily for hours.

These high-performance headphones can be driven using the headphone outputs on most home audio systems, but to really hear them in all their glory a headphone amplifier is strongly recommended.

From the review Sennheiser HD 700 headphones: High-performance sound from a top contender

If you are a card-carrying basshead, these headphones are probably not going to give you the performance you are looking for. So you have to ask yourself, what's more important: feeling the bass rattle your skull, or clearly hearing every note the bass player plucks, slaps or picks? If you're willing to give up a little rumble for incredible clarity, the Sennheiser HD 700 headphones will open your ears to a new level of listening.

— David Brown, Crutchfield A/V Writer

Product Highlights:

  • open, around-the-ear earcups
  • specially-tuned, high efficiency drivers capable of delivering high sound pressure levels
  • ventilated magnet system minimizes air turbulence and distortion
  • open-back ear cups provide transparent, audiophile-quality sound
  • angled drivers create a more natural listening experience and a wider soundstage
  • vibration-damping frame and silicone-treated headband for minimal headband resonance
  • luxurious velour earpads provide a comfortable fit
  • 10' detachable silver-plated oxygen-free copper cable for better conductivity at higher frequencies
  • gold-plated 1/4" stereo plug
  • frequency response: 10-42,000 Hz
  • total harmonic distortion: less than .03% at 1Khz/1Vrms
  • impedance: 150 ohms
  • weight: 9.6 oz. (without cable)
  • warranty: 2 years
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

  • Refurbished HD 700 headphones with attached 10' straight cord (1/4" plug)
  • Hinged hard case Instruction manual

Features and Specs

Fit Style Over-the-ear
Earcup Type Open
Noise-canceling No
Bluetooth No
Frequency Response 10-42k Hz
Sensitivity 105 dB
Impedance 150 Ohms
Weight 9.6 ounces
Cord Length 120"
Airline Adapter Included No
iPod Control No
Volume Control No
Built-in Microphone No
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research


"Open-Aire" Design: The Sennheiser HD 700 audiophile headphones feature an "open-aire" design to give you an exceptionally natural, spatial, and accurate sound. Unlike closed, noise-isolating earcups, the HD 700's earcups have a specialty steel mesh, molded to the natural shape of the acoustic chamber, to provide an open environment.

Angled Transducers: The HD 700 has angled transducers to resemble the perfect positioning of a pair of reference monitors to put you in the center of the sweet spot. Add Sennheiser's famous DuoFol diaphragm, and you have a fast response, and an ultra-wide soundstage.

Vented Magnet System: The patent-pending technology of the Vented Magnet System manages airflow behind the diaphragm to minimize turbulence. The HD 700's vibration damping frame, created by a special layering of materials, eliminates unwanted resonances from entering the acoustic chamber. The combination of these two technologies results in a lower THD (Total Harmonic Distortion) of less than 0.03%.

Headphone Cable: The HD 700 comes with a detachable, 10-foot cable terminated a full sized 1/4" plug. The cable splits to connect to both earcups with two 2.5mm sub-miniplugs. The yoke on the cable can be slid upwards to eliminate unwanted slack. The nylon outer covering quiets contact noise from the cable.

Storage Box: The HD 700 has a sturdy, hinged box with cut-out foam padding for storage of your headphones and attached cable.


  • Frequency Response: 10-42kHz
  • Nominal Impedance: 150Ω
  • Sensitivity (1 kHz/1V): 105dB
  • THD (1kHz/1V): <0.03%
  • Weight: 9.2 ounces (w/o cable); 12.5 ounces (w/cable)

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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