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7 VOTES

Noise-cancelling headphones work by creating "anti-noise" that exactly counterbalances external sounds at the ear.

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Pros

feel very comfortable even when worn for hours at a time

1 agrees

strongly reduces the background noises from vehicles and air conditioning

1 agrees

stay in your ears pretty reliably

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  • Only 3 words are allowed.
Cons

not the most sturdy construction, malfunctions within a year are common

1 agrees

bass support is a bit limited and will leave lovers of strong beats disappointed

1 agrees

not as strong at noise cancelling as some other earbuds, don't bock out high-frequency sounds

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volume tends to be lower than average from these

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  • Only 3 words are allowed.
Edit

 

Noise-cancelling headphones work by creating "anti-noise" that exactly counterbalances external sounds at the ear.  While unable to cope with non-repetitive sounds, they do a good job of reducing the constant drone in an airliner cabin or the hum of a room air conditioner or computer fan.  Noise-cancelling headphones began as an expensive, bulky laboratory concept but has been boiled down to diminutive earbuds in the form of Panasonic's RP-HC30-K.  A mid-range offering that stands out as the only earbuds in the RP-HC line, these tiny noise-cancellers offer up to 50 hours of operation on a single AAA alkaline battery.  The neodymium-backed 0.42" drivers respond to frequencies from 8 Hz to 22 KHz, and can handle up to 50 mW of power.  A monitor switch allows a quick check on what's going on around you.  For travel use, the RP-HC30-K comes with a convenient carrying case and even an aircraft adapter.

Features
  • 8 Hz - 22 KHz frequency response
  • 4.6' cord includes clothing clip
  • 3.5 mm mini stereo plug
  • Uses AAA battery (alkaline recommended)
  • Battery life up to 50 hours
  • 10.7 mm driver with neodymium magnet
  • Impedance 39 ohms OPR on/15 ohms OPR off
  • 12 dB repetitive noise reduction at 250 Hz
  • Carrying case, 1/4" adapter, aircraft adapter, battery included
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