Sony MDR-NC40 Noise Canceling Headphones

Item#:  S190-7130  | Model#: MDRNC40

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Sony MDR-NC40 Noise Canceling Headphones Product Details

Over-Ear Portable
Foldable Noise Canceling

Sony MDR-NC40 Noise Canceling Headphones
Songs by your favorite artists are music to your ears with the Sony MDR-NC40 Noise Canceling Headphones! This black headphones will surely fit your ears for a more comfortable listening experience. It doesn't even compromise your great sense of style. This headphones also delivers high-quality and booming sounds to your ears, letting you enjoy songs that you play. Plus, with its noise canceling feature, it blocks out background noise, so you can hear your music clearly. Purchase the Sony MDR-NC40 Noise Canceling Headphones today!

What It Is And Why You Need It:

  • Over ear Headphones; delivers high-quality, loud, and booming sound
  • Adjustable and Foldable headband; lets your conveniently carry it anywhere
  • Noise Canceling; eliminates background noise for much better music listening

Manufacturer's Product Tour - Click Here


  • Weights and Measurements
  • Cord Length (Approx.) : 4.9 foot (1.5m) including battery box
  • Weight (Approx.) : 3.8 oz. (107g)-without battery, 4.2 oz (119)- with battery
  • Hardware
  • Cord : 4.9 foot OFC litz cord (Including battery box)
  • Headphone Type : Closed, dynamic 
  • Power
  • Battery Life (Approx.) : up to 40H (with alkaline battery)
  • Battery Type : DC1.5V, 1 size AAA battery 
  • Power Handling Capacity : 50mW 
  • General
  • Design : Premium over the head, Noise canceling
  • Headband : Adjustable and Foldable
  • Magnet : Neodymium 
  • Type of Use : Noise canceling 
  • Audio
  • 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 : 102dB/mW (on); 100dB/mW (off) 


  • High quality noise canceling
  • 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

What's Included


  • Manufactured by: Sony
    Warranty provided by: Sony
    Limited Warranty: 12 months parts; 12 months labor
    Mfg Part No: MDRNC40
    UPC No: 027242724433
    Box Size: ( Length:9, Width:6, Depth:4)
    Shipping Weight: 0.7000 pound(s)
    Click here for full warranty and support information
  • Limited Warranty: A full text version of the limited warranty may be obtained by mailing a self addressed, stamped envelope to the address below and requesting the warranty for item number: S190-7130
    Warranty Information
    7795 W. Flagler St. Suite 35
    Miami, FL. 33144

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