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  Noise cancelling headphones are a staple item in the tech world and perfect for any traveler. They typically have microphones, powerful audio engines, and advanced noise-canceling technologies which allow them to filter out background noise while still letting you enjoy your music. Below is an overview of how noise cancelling headphones work and three of the most popular types on the market that help ensure your peace of mind. How Noise Cancelling Headphones Work: The science behind this nifty gadget is complex, but essentially it works by using a microphone and sound engine with advanced signal processing to help filter out background noise while continuing to let you enjoy your music or podcasts as if you were watching TV or listening on a typical pair of headphones. There are three different types of noise cancelling headphones on the market: Passive noise-canceling headphones make use of special rubber or foam pads to help block out background noise. They can be more

  If you're curious how headphones work, it is a rather complicated process. But what we can say is that they have something called speakers inside them. There are many different types of speakers and the size of the speaker can vary depending on which type you choose.  Image source: https://paytmmall.com/ The small ones are typically in earbuds and they create bass tones with this tiny cone-shaped driver that's sealed in a small enclosure to produce more sound. They also have an amplifier which sends power to the batter for these headphones, but after a certain volume level,  Image source: https://www.smartprix.com/ these headphones will need an external power source because they don't work on battery life alone. The lightweight ones are typically in cups, and they are the ones with larger drivers. They generally produce the bass tones and the high tones by creating a vibration from inside the cup. Image source: https://www.tatacliq.com/ There's also airplay techno