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Item # H67951 | Customer Ratings: Ratings ( 5 Based on 7 reviews)

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KRK KNS-8400 Studio Headphones
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      KRK KNS-8400 Studio Headphones (H67951)
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      KRK KNS-8400 Studio Headphones (H67951)
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Incredibly natural frequency response.

KRK has always been focused solely on accurate monitoring. The KNS 8400 — with their ability to reveal exactly what you have on the tracks is an ideal choice for critical listening. Being able to discern the most subtle differences in pitch, timbre and tone helps you to get it right every mix, every take, every performance. Isolating memory foam in the ear cushions delivers improved low end response and because they gently conform to your unique head shape you'll be comfortable wearing them all day.

KRK headphones provide a precise listening experience that takes you from personal studio to commercial studio to on-the-go track evaluations — and they allow you to accurately enjoy your music with the consistent voicing philosophy and honest reproduction top producers, studio musicians, performers and engineers have come to trust.

The KNS 8400 offer an incredibly natural frequency response that gives you a reference standard unaffected by your location. Day or night. Studio or home. Without disturbing others. Without compromising your tracks.

KRK KNS-8400 Studio Headphones Features:

  • Voiced to remain true to the character of KRK's class leading studio monitors, developed with 25 years of years of experience in studio sound.
    The latest reference quality frequency response for closed-back, circum-aural dynamic headphones.
    Newly developed headphone acoustical system bringing a new level of headphone performance for the first time.
    Utilizing the latest in acoustic memory foam technology ensures class leading performance in both reproduction and isolation.
    A new standard in headphone comfort, even over extended periods of use, designed to avoid feeling uncomfortable during long sessions. The special foam conforms to the ear to help ensure an improved fit.
    Exceedingly accurate, natural and wide frequency response.
    Large dynamic range with extremely consistent low-distortion detail and clarity.
    Extended low frequency definition, ensures the bass component of your music is accurately reproduced, and is not lost.
    Transparent reproduction of high-frequencies, resulting in highly accurate imaging.
    High-efficiency Neodymium 40mm driver.
    High durability 2.5m single-sided straight cable with oxygen-free copper wires.
    Adjustable, foldable driver enclosures provide comfort and portability.
    Replaceable cable, head, and ear cushions to ensure long product life.
    Soft carrying case embossed with the KRK logo for travelling engineers, or storage when not in use.
    1/4" jack plug can be unscrewed to reveal a 1/8" plug for laptops and portable media players.


KRK KNS-8400 Studio Headphones Specifications:

  • System / Design: Dynamic
    Operating System: Closed-back
    Head Coupling: Circumaural (Isolating)
    Voice Coil: Copper-clad aluminum wire
    Driver Type: Low weight neodymium
    Driver Diameter: 40mm
    Sensitivity/Efficiency: 97 dB SPL @1mW
    Frequency Response: 5Hz-23 kHz
    Total Harmonic Distortion: < 0.1%
    Rated Impedance: 36 ohms
    Ambient Noise Isolation: up to 30 dBA
    Long Term Maximum Power Handling 1000mW: (500mW per side as per IEC 60268-7)
    Earcup Rotation: 90 degrees
    Nominal Headband Pressure: 4 N (based on average head size)
    Headband Type: Adjustable / Sprung steel skeleton
    Ear Cushion type: Acoustic memory foam
    Headpad Finish: Premium leatherette
    Headphone Finish: Black impact resistant plastic
    Volume Control: Detachable / Replaceable low profile inline high quality control
    Cable: 2.5 m, (8.2 ft.), 99,99% OFC detachable
    Connector: Gold-plated stereo 1/8" (3.5 mm)
    Cable Connection: Strain relief managed
    Adaptor: Screw-on 1/4" (6.3 mm)
    Weight without Cable: 232 g (0.51 lbs)
    Net / Shipping Weight
    850 g (1.87 lbs)
    Dimensions: 245mm x 268mm x 94mm
    9.6" x 10.5" x 3.7"


KRK KNS-8400 Studio Headphones

Please read the warranty card that was included in the shipping carton of your monitor prior to shipping it back to KRK Systems, LLC. All products in need of repair can be returned to the dealer where it was purchased, or to KRK Systems, LLC. at the following address:

KRK Service Center
555 E. Easy Street.
Simi Valley, CA 93065
Tel: (818) 534.1575
Fax: (818) 534.1585
E-mail: service@krksys.com

Please call for a Return Authorization number before returning any product for repair.
For the safest possible return to KRK, please use the shipping carton and packaging that your monitor was originally shipped in.

KRK cannot be responsible for any damages incurred during the shipping process due to poor packing. Make sure to insure your shipment.

If your monitor is out of warranty and you would like a quotation prior to servicing your product, please include a note with your contact information on it and we will contact you with a service quote. Service will be performed once your method of payment has been established and approved.

Replacement carton and packaging can be purchased from KRK Systems, LLC. $18.00 per carton.

For replacement part quotes call (818) 534.1575.

Get your gear covered!

Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
Product Reviews
(Based on 7 reviews)
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Viewing Reviews 1 - 3 of 7 |
  • Accurate, truthful, pure bliss...

    As reviewed by Tyrone Beats on 3/1/2011

    Read every review on these if you want. You will read the same negative rhetoric about bass. These are not headphones for the average consumer who wants music dressed up and sugarcoated. If that is what your looking for head to Best Buy and grab some Beats by Dre. These headphones are for serious engineers, producers, dj's, and re-mixers who need and honest genuine pair of headphones in an environment that do not allow the use of studio monitors. I spent eight hours "Burning them in." I mixed down a few Rap tracks and a couple of Pop, and Techno. Played them back in the car, lo-fi monitors, and through my Android phone. Very impressed with the results. Keep in mind if you can't mix in the first place your finished product will still suck. "Just because you rock Jordan's don't mean you can dunk like Michael." Tyrone Beats.

    20 of 20 people found this review helpful.
    Was this review helpful?
  • Excellent Alternative To Monitor's.

    As reviewed by Adam on 2/25/2011

    Im a producer and dj.I have been a producer for almost 15 years.Working with electronic and hiphop music.These headphones are a also alternative to studio monitors because they are just that for your ears.I cant really produce where i live now for various reasons especially not having a proper sound proofed room.These are the best investment i have made.But be cautioned they need time to burn in.When u first buy them there gonna seem to sound like cheap headphones.But after about 12 hours of consistent play they sound AWESOME.I played TCM'S high roller through them while i slept for about 8 hours and then ran a frequency sweep from 20 to 3000 for about 4 hours and now they are perfect.These headphones are really top notch and i would recommend them to anyone as a studio monitor alternative.

    12 of 12 people found this review helpful.
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  • Don't Judge a Book By Its Cover

    As reviewed by Shaun de Gracia on 5/9/2011

    I went to GC looking to get some beyerdynamic headphones because I've seen them used by some talented producers and they have a really professional look. I tried out the KRK's and A/B 'd them with the beyerdynamics and noticed that they sounded truer (not yet broken in) and would help me produce better. The beyerdynamic cans had great bass that gave me goosebumps, but the KRK's sounded like I was there producing the tracks that were playing. Also, the KRK's had a larger stereo spread and I could hear and "see" each instrument and where in the mix it sat, while the beyerdynamic cans sort of mushed the sounds into each other. Superb headphones if you're serious about producing.

    2 of 2 people found this review helpful.
    Was this review helpful?
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