Sony MDR-NC40 Noise Canceling Headphones with Premium Travel Case

Sony
SKU: SOMDRNC40 MFR: MDRNC40
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About Sony

The Sony MDR-NC40 Noise Canceling Headphones shuts out up to 80% of the ambient noise around you. Great for work, traveling or just when you're trying to sleep in a loud place, they provide a calming atmosphere no matter where you are. The pressure-relieving cushion offers premium comfort and the lightweight, folding design makes storing them a breeze. It includes a premium travel case and "AAA" batteries.

Sony Features

  • High quality noise canceling up to 80%
  • Range of active noise attenuation more than 14dB at 300 Hz
  • Audio pass through even without battery (no noise cancelation without battery)
  • Premium travel case
  • Lightweight, foldable design
  • Soft, comfortable ear cushions
  • Operates for up to 40 hours on a single AAA battery
  • Can be used battery-free without noise cancellation
  • Neodymium drivers for excellent sound quality
  • Standard 3.5mm mini plug and airplane adapter for wide compatibility

Sony Specifications

Cord
4.9 foot OFC litz cord (Including battery box)
Headphone Type
Closed, dynamic
Design
Premium over the head, Noise canceling
Headband
Adjustable and Foldable
Magnet
Neodymium
Plug
L shaped stereo mini plug (Gold)
Type of Use
Noise canceling
Battery Life (Approx)
Up to 40H (with alkaline battery)
Battery Type
DC1.5V, 1 size AAA battery
Power Handling Capacity
50mW
Cord Length (Approx.)
4.9 foot (1.5m) including battery box
Driver Unit
30mm diameter, dome type
Frequency Range
50- 1,500Hz (active noise attenuation)
Frequency Response
14 - 22,000Hz
Impedance
68 ohms at 1kHz (on); 30 ohms at 1kHz (off)
Noise Level
ON/OFF switch on battery box
Sensitivity (db)
102dB/mW (on); 100dB/mW (off)
Weight (Approx.)
3.8 oz. (107g)-without battery, 4.2 oz (119)- with battery
Warranty
Sony 90 days limited warranty
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