Description: The RP-HC101 headphone delivers powerful sound thanks to the neodymium magnet inside. It provides a remarkable 83% noise reduction by creating out-of-phase sounds that equal the background noise, effectively canceling it. Low frequencies such as the drone of a plane's engine or a loud air conditioning unit are reduced to a mere -15dB. It has a frequency response of 18Hz - 24kHz.
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Pros: Reduces ambient noise while still allowing important noises through. Cons: Loud noises or certain frequencies not attenuated. BottomLine: Useful when 100% noise removal isn't necessary or desired. Relatively cheaper than other brands.
