NC-40 Noise Cancelling Headphones

Our Best Selling Headphones!

The Daily Mirror Best Buy and What Hi-Fi Award Winning NC-40 headphones contain inverse phase active technology which 'cancels out' background noise resulting in a more enjoyable audio experience.

The 40mm driver units provide superior sound performance whilst the soft, cushioned earpads are comfortable to wear for long periods.

Perfect for a long flight, train journey, in the car, noisy office or just to relax at home.


  • High output 40mm drivers for superb sound quality
  • Very effective noise cancelling circuit uses inverse phase active technology to provide 16dB of active noise reduction
  • Closed back, circumaural over ear design
  • Soft cushioned earpads for comfortable use over long periods
  • Neat, folding design for portability
  • Noise cancelling circuit powered by 1x AAA battery (included)
  • 2 year warranty


  • Frequency range: 20 – 20,000Hz
  • Sensitivity: 104dB/mW (power on); 100dB/mW (power off)
  • Impedance: 70 Ohm ± 20% (power on); 40 Ohm ± 20% (power off)


  • Active Noise Cancelling Headphones
  • Detachable 1.2m cable with 24K gold plated 3.5mm jack
  • 3.5mm to 6.3mm stereo adapter
  • In-flight adapter
  • 1 x AAA battery
  • Carry bag
  • User manual

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