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QuietControl 30 Wireless
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NC50 Active Noise Cancelling Wireless
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What is Active Noise Cancellation?

Active noise canceling headphones use a combination of active and passive noise cancellation. By their nature, headphone ear cups are able to block out some high frequency noise because it is absorbed. However, the passive noise attenuation through ear cups is not efficient for low frequency noise. Thus, it is necessary to have the active noise cancellation to reduce the low frequency noise, such as noise below 1 KHz.

How Does Active Noise Cancellation Work

 

Try Before You Buy

Many people buy a noise-reducing headset just to provide a quiet environment for themselves, and they turn on the noise reduction switch on the headset sometimes not to listen to something. If this is you, it's good! But if you want to listen to some music or radio, you need to test the headphones. If you can, plug the headphones that you are interested in on your device so that you can use your own music to distinguish between different headphones, listen to what they sound like, turn on or off the noise reduction system to feel their differences.  

Check Battery Life And Warranty

Battery life is also something you need to be aware of. The downside of active headphones is that, of course, they can run out charge. In some cases, this will just mean the headphones lose their noise-cancelling capability, and that you can still listen to them via a wired connection. However, when a Bluetooth-only pair runs of out charge, it stops working altogether. If something goes wrong, you will need to repair or replace it. You need to pay attention to the warranty and return or replacement policies and the feedback from other buyers. Find out which way you prefer to communicate with the manufacturers and companies.  

Do Not Expect Miracles

Remember that even the best noise cancelling headphones will not block out all the sounds, and you will still hear some sudden and sudden noises.

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