Question about Maxell HP/NC-III Consumer Headphones

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Maxell NC-II noise reduction headphones.

I just purchased these headphones for a long airline flight. They work when I plug them into a stereo system but the on/off switch doesnt light up for the noise reduction function. I put 2 AAA batteries in this headphones but I lost the direction that came in the box so maybe I am doing something wrong. Can you help?
Thanks Amy

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Re: Maxell NC-II noise reduction headphones.

Look closely at the battery icons under the batteries.The installation of the batteries in these headphones is different than most electronic devices the batteries sit side by side in the same direction both + ends are on top and both - ends are on the bottom

Posted on Sep 03, 2008

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The electronic components are defective. It is not worth repairing unless you paid a lot of money for the head phones.

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The JVC HA-NC250s are a new version of their previous model 100, and JVC claims that they will cancel up to 85% of ambient noise, coupled with better sound. In this case, JVC claims up to 16.5 db reduction at 150 kHz. These on-the-ear headphones are very lightweight at 5.3 ounces and are extremely comfortable. The head band has a reasonable amount of sliding expansion for bigger heads, and the oblong ear pieces themselves rotate and fold flat for storage. JVC uses memory foam on the earpieces, as well as double housing, for extra noise isolation. The earpieces have 40 mm neodymium drivers, which are the same size and type that the Creative Aurvanas offer.The JVC HA-NC250 noise canceling headphones. Note the ear-cushion instruction tab that explains how to replace the hidden battery.

The NC250s come in a semi-rigid black case with a dual airline-plug adapter, a mini-to-RCA phono plug adapter and a 4' detachable headphone cord. JVC includes one AAA battery, which should last approximately 50 hours. A simple sliding switch on the right side turns the noise reduction on along with a small red LED. Learning how to add the battery to the headphones required that I study JVC's user manual. The process involves having to remove the earpiece covering to get to the battery compartment, which isn't at all obvious.

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My QC2 headphones work intermittently at best. I believe it is the connection. It would not work with my ipad or with United's in-flight system on my last flight. This has been happening for some time.

Try plugging your headphones into other sources, like a computer's audio output or someone else's ipod/mp3 player.
If the problem persists, try moving the cable around near where it connects to the device (the jack) and see if you can get it to come on more often. Also try moving the cable near the headphones themselves, and at other points along the cable.
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Where is the battery department located on a maxell nc-iv head phone

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Have Maxwell NC-IV headphones and cannot get cover off to change batteries. I have used all the pressure I have and it still doesn't work.Any ideas or suggestions? Details, PLEASE! C C COOK

I slide a pocket knife blade along the top of the chrome oval on the L headphone. It pops right open without hardily any pressure at all.
Some people can push in and down with their thumbs but due to arthritis I can't make that work.

Sep 15, 2010 | Maxell HP/NC-III Consumer Headphones

1 Answer

Hi, My Maxell HP/NC-111 jack has just failed. I purchased a new jack but have tried every combination possible to wire it up but no sound at all. There are 3 wires from the headphones. A grey one, A blue...

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If I jiggle the cord in the stereo outliet, the sound switches from left to right earpiece and has to be just right in the outlet to get both earpieces working at the same time.

If you plug the headphones into another device do they stay on solid?
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