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AKG K 490 NC

Noise-canceling headphones

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  • AKG K 490 NC

    Front

  • AKG K 490 NC

    Closeup detail of earcup

  • AKG K 490 NC

    Folded for storage

  • AKG K 490 NC

    Included carrying case

  • AKG K 490 NC

    Power switch and LED power indicator

  • AKG K 490 NC

    Side view

Item# 039K490NC offer details

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AKG

Our take on the AKG K 490 NC

by Dave Bar
folding design

The compact folding design makes it easy to take these headphones with you everywhere.

Out-of-this-world noise reduction at a down-to-earth price

AKG's K 490 NC ultra-compact folding headphones pack a surprising sonic punch — delivering your music with warmth, clarity, and deep, rich bass. But what you won't hear is the din of a noisy environment around you. That's because these featherweights feature AKG's highly effective noise-canceling circuitry. Their soft, on-ear cushions and padded headband provide comfort for extended listening sessions, and give you blissful peace and quiet while you travel.

Enjoy your music wherever you roam

The K 490 NC's built-in rechargeable battery provides up to 40 hours of noise-canceling operation per charge. You can charge up using the supplied USB charging cable and one of your computer's USB ports. AKG's patented folding design allows these 'phones to collapse down to a super-compact size for easy travel. They'll connect to virtually any portable audio device with a mini headphone jack, plus you get an airline adapter, so you can plug into in-flight entertainment systems and block out engine roar. A handy carrying case stores the headphones along with all the included accessories.

From our staff review of the AKG K 490 NC

"The '490 headphones have me thinking that on-ear is going to be my "go-to" style for cardio at the gym. And I liked them just as well working at my desk. These are comfortable, good sounding headphones that deliver spacious sound to the music you want to hear and a decent blocking out the noise you don't. "

— Marshall, Crutchfield A/V Writer


Highlights:

  • lightweight, on-ear design with active noise canceling
  • compact and portable with 3D-Axis2 folding mechanism for easy storage and portability
  • built-in rechargeable battery (can be charged via connection to a PC or USB charger)
  • music playback with or without noise canceling
  • frequency range: 20-20,000 Hz
  • impedance: 32 ohms
  • sensitivity: 117 dB
  • 56" detachable single-sided headphone cord with stereo mini plug
  • USB charging cable included
  • airline adapter and carrying case included
  • weight: 5.3 oz. (without cable)
  • warranty: 1 year
  • Our 60-day money-back guarantee
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    Hands-on research from the Crutchfield Labs (what are the Labs?)

    Features and Specs

    Features and Specs
    General
    Fit Style
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    On-ear
    Earcup Type
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    Closed
    Noise-canceling
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    Yes
    Bluetooth
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    No
    Frequency Response
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    20-20k Hz
    Sensitivity
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    117 dB
    Impedance
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    32 Ohms
    Weight
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    5.3 ounces
    Cord Length
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    56"
    Airline Adapter Included
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    Yes
    iPod Control
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    No
    Volume Control
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    No
    Built-in Microphone
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    No
    Parts Warranty
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    1 Year
    Labor Warranty
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    1 Year

    Product Research

    Product Research
    What's in the box?

    Download owner's manual

    • Noise-cancelling on-ear headphones
    • 56" Headphone cable (terminated by a male 2.5mm connector on one end and a male 3.5mm connector on other end)
    • 59" Charging cable (terminated by a male 2.5mm connector on one end and a male USB type-A connector on other end)
    • Airplane adapter
    • Carrying pouch
    • Owner's Manual
    • "Attention!" booklet
    • Warranty Card

    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 open the box, verify contents, 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.

    Features

    Active Noise Cancellation: The AKG K490 NC on-ear headphones feature effective active noise cancellation to attenuate ambient noise; keeping even quiet passages clearly audible. The headphones can also be used in passive mode, without noise cancellation.

    Battery Powered: The K490 NC on-ear headphones utilize a built-in rechargeable battery for active noise cancellation. The battery can be recharged by connecting the headphones to a free USB (type-A) port on your computer, via the included charging cable. The charging process usually takes approximately 1.5 to 3 hours. A fully charged battery can last up to 40 hours.

    Closed Back, Dynamic Drivers: The AKG on-ear headphones feature closed-back, dynamic drivers for ultra-linear audio and wide-spectrum sound even at high listening levels.

    Comfortable Fit: The K490 NC on-ear headphones feature a lightweight design, super-soft ear-cups, and adjustable soft-padded headband to provide a comfortable fit.

    Headphone Cable: The AKG on-ear headphones utilize a single-sided 99.99% oxygen-free cable (OFC) terminated by a gold-plated 3.5mm connector for maximum signal transfer and sound quality. The cable is detachable. An airline adapter is also included.

    3D-Axis Folding Design: The K490 NC headphones feature a unique 3D-Axis folding mechanism for ease of handling, storing, and transporting.

    Carrying Pouch: The AKG on-ear headphones comes supplied with a soft carrying pouch to protect the headphones during storage and transport.

     

    Product Reviews

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    Reviews for the AKG K 490 NC

    Average Customer Review:

    7 people say:

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    Click on a star to rate the overall product on a scale of 1-5
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    4 out of 5

    Good cans, small pads

    Written By AlexB, Columbia, MO on Tuesday, May 14, 2013
    Crutchfield Customer Review (What's this?)
     
    Exceptional osund quality, virtually no hiss when NC is operating. Generally comfortable, although they're on-ear rather than around the ear, so there can be a bit of sound leakage audible to those around you. The charging cord is proprietary, no a normal USB mini or micro, so you might consider ordering a replacement. Similarly the cord between cans and player isn't a standard patch cord but a 2.5/3.5mm cable. That said, when I ordered a replacement charge cord from AKG/Harmon they sent both cords and an extra pouch.
    Pros:
    Great sound, excellent NC, packs small, no batteries
    Cons:
    Requires a charge, minor sound leakage, hard-to-replace cords
    1 out of 1 people found this helpful
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    "Coolness Factor"
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    Noise Reduction
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    2 out of 5

    Sound was great but not a durable design

    Written By RonA, Chicago IL on Sunday, April 28, 2013
    Crutchfield Customer Review (What's this?)
     
    These headphones delivered the sound quality and noise cancelling as advertised. I particularly liked the rechargeable feature but the design of the plastic piece that connects the ear cup to the headband is poor. This plastic piece simply snapped while I was wearing it on a flight. The Crutchfield support team was great and facilitated the return and replacement with another brand. Dissapointed with the product but very satisfied with Crutchfield.
    1 out of 1 people found this helpful
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    "Coolness Factor"
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    5 out of 5

    Amazing Quality

    Written By AToughCustomer, Seattle, WA on Monday, February 11, 2013
    Crutchfield Customer Review (What's this?)
     
    The noise redcution and sound quality were even better than I had expected. I was replacing a set of Bose headphones and chose these over Beats by Dre and am I SO gald I did. The sound loss through the headpones is very slight (much better than the Beats) and the sleek design is superior to the bulky ear cups on the Bose units. Crutchfield ahs the best price on these headphones and the quality is worth every penny. So Happy I got these. Great customer service from Crutchfield too!
    1 out of 1 people found this helpful
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    "Coolness Factor"
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    4 out of 5

    AKG K 490 NC

    Written By RonM, Maui on Tuesday, February 05, 2013
    Crutchfield Customer Review (What's this?)
     
    Purchased these after reading technical reviews. Overall I am satisfied with the product, but a part of me wonders if the Bose headphones would have been as good, with better comfort.
    Pros:
    Noise canceling and overall sound quality is very good. I work at home and it cancels out the screaming kids next door! I like the fabric cord and the USB charging instead of batteries.
    Cons:
    Too bad these are not over the ear headphones. The on-ear pressure gets uncomfortable after a while. The carry pouch could be better. It is too small for the headphones, cords and charging adapter (not included).
    2 out of 2 people found this helpful
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    5 out of 5

    Great sound and noise cancelling headphones

    Written By PGS, California on Thursday, August 30, 2012
    Crutchfield Customer Review (What's this?)
     
    I'm extremely happy with these headphones! When I was researching headphones, I was looking for both great sound and noise cancelling. I've often found that you have to sacrifice sound quality for the noise cancelling feature, but these headphones have a good balance of both. I recently used them on a 5 hour flight and found them to be more comfortable than over the ear NC headphones like the Bose ones. The AKG's feel good in your hands, not flimsy at all. Sound quality is good and bass is tight but not booming, although there were certain classic rock songs that I thought sounded a bit empty or muted with the NC off. I love the fact that they are USB powered as I am too lazy and forgetful to remember to bring batteries all the time. I also like the fully detachable cloth cord - the material is high quality and you don't have to worry about getting it caught on something and snapping. My only real complaint about these headphones is when you fold them up for storage. They fold very compactly, but when closed, the earpieces push against each other a little more than I'd like. I don't think it will cause any issues long-term, but I just wish there was a little more separation between them when folded down. All in all, I highly recommend these to anyone looking for a versatile set of NC headphones. They definitely have more "WOW" factor than Bose and Beats headphones and the sound is much better too.
    3 out of 3 people found this helpful
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    "Coolness Factor"
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    4 out of 5

    Very Satisfied

    Written By Chauncey, NC on Thursday, August 23, 2012
    Crutchfield Customer Review (What's this?)
     
    Considered a lot of other options, but these ultimately seem to be best overall value. Very, very happy with the sound. I've had Klipsch on ear headphones and Shure earbuds, and I prefer the sound of the AKGs over both of those. To my ears, they are simply full and natural. The bass does not dominate, but I never feel that it is lacking - at all. Build quality appears to be outstanding. I love how they fold and the size is perfect in my opinion. Styling is classic and cool without being obnoxious. Size is very important to me and these hit the sweet spot - they don't overwhelm your head so that you look like an alien, but the sound is still very large. Comfort is very good, but I find my ears need a break every two hours or so. Of course, I can say that about every pair of headphones I've owned. But padding is extremely soft and it's easy to get a good seal that will not leak noise out or in. This is my first pair of noise canceling phones and I've been very pleased with the results. Exceptional difference on planes, but also was surprised how well it cancels out the sound of the fan in my bedroom. Perhaps more importantly I genuinely can not tell a difference in sound quality when NC is on or off. And I try to all the time! These just sound great in either mode. And honestly - a USB rechargeable battery? YES!! Who wants to travel with AAA Duracells? The cables are great, the pouch is nice enough and really just very happy with these.
    Pros:
    Excellent sound, fit, size, USB rechargeable battery, sound, rechargeable battery, sound, rechargeable battery!!!, style, comfort, noise canceling, compact
    Cons:
    None that I can tell. If my ears were shaped differently I'd probably never take them off.
    3 out of 3 people found this helpful
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    "Coolness Factor"
    Build Quality
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    5 out of 5

    AKG Noise Cancelling Headphones

    Written By TR, San Francisco, CA on Monday, August 13, 2012
    Crutchfield Customer Review (What's this?)
     
    Five hour flights with these on my head are absolutely easy. No discomfort, no sweating like with the over-the-ear headsets, and good sound quality to boot. I am a 57 year old who toasted his hearing playing rock and roll in the 70's, so I would not know if they are studio-quality nor do I care. I just needed something for long flights and these are perfect. A twelve hour travel day did not challenge the battery life, but if it had recharging is easy enough with lots of USB options. For the money, these are the best bet for a great travel headset!
    Pros:
    More than decent noise suppression/cancelling, comfortable, detachable (easily replaceable) cord, stow in a relatively small space, good build and materials quality, sound great, battery life, recharge options!
    Cons:
    I have no idea what a "Coolness Factor" might be, but I can't imagine anyone can look cool with a set of headphones on their head.
    7 out of 7 people found this helpful
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    1-7 of 7

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    For a more in-depth review and enhanced detailed information on the AKG K 490 NC, please visit the Crutchfield website product page (/S-1XfeQOd4cy2/p_039K490NC/AKG-K-490-NC.html ).

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    • Front

      AKG K 490 NC
    • Closeup detail of earcup

      AKG K 490 NC
    • Folded for storage

      AKG K 490 NC
    • Included carrying case

      AKG K 490 NC
    • Power switch and LED power indicator

      AKG K 490 NC
    • Side view

      AKG K 490 NC