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Heavy Machinery
Sony MDR-NC500D Digital Noise Canceling Headphones
Electronics
Written by Mr. Machines   

In an independent blind test, frequent business travelers rated the NC500D headphones #1 twice as often as either the Bose® QC™ 2 or QC™ 3 in overall noise cancellation and audio quality.

Features

  • Digital high quality noise canceling
  • Up to 99% ambient noise reduction at 160Hz
  • Artificial Intelligence (AI) noise canceling with automatic selection between three different environment modes
  • Internal Lithium-ion battery for up to 16 hours of use in addition to normal AA batteries which can be used as well and would allow for a joint 28 hours of use

Product Specifications

Weights and Measurements
  • Cord Length (Approx.) : 1.5m -L-type stereo mini plug, .5m stereo mini plug
  • Weight (Approx.) : 6.9oz/195g (including built in battery) 

Hardware

  • Cord : Single-sided cord connects to left earpiece
  • Headphone Type : Closed, dynamic 

Power

  • Battery Life (Approx) : 16H (with built in fully charged battery)128H (with fully charged built in battery and 2 fresh AA batteries)
  • Battery Type : DC1.5V- 2 size AA battery, DC 3.7V -built in rechargeable Lithium-ion battery
  • Power Handling Capacity : 100mW 

General

  • Design : Premium over the head, Noise canceling
  • Headband : Adjustable, Foldable (Swivel)
  • Magnet : Neodymium 
  • Type of Use : Noise canceling

Audio

  • Driver Unit : 40mm diameter, dome type
  • Frequency Response : 5 - 24,000Hz 
  • Impedance : 40 ohms at 1kHz (on)
  • Selectivity : 3 distinct noise-canceling modes for use in three accoustically different environments (Airplane, Bus, office)
  • Sensitivity : 102dB/mW (on)
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