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Koss QZ900 Noise Cancelling Headphones

B&H # KOQZ900 Mfr # QZ900
No Longer Available
Product Highlights
  • Active Noise Cancellation
  • Works With Or Without Noise Cancellation
  • In-Line Volume Control
  • Fold Flat For Storage/Travel
  • Can Be Used To Block Out External Noise

The Koss QZ900 Noise Cancelling Headphones feature both active and passive noise reduction. The noise cancellation runs on 1 AAA battery which lasts for up to 50hrs before needing to be replaced. In addition to listening to audio, the cord can be removed and the headphones can be used to block out sound as a standalone device. The QZ900s fold flat so you can easily take them with you anywhere and come with a carrying case.

Active noise reduction
Cord unplugs for wire-free passive and active noise cancellation
Folds flat for portability
Carrying case included
In-line volume control
Type Full size headphones
Frequency Response 20-20,000 Hz
Impedance 32 ohms
Sensitivity 100 dB SPL
Cord Type Straight, single entry
Cord Length 4.0' (1.22 m)
Battery 1x AAA
Battery Life ~ 50 hours of active noise cancellation
Koss QZ900 Noise Cancelling Headphones
  • Carrying Case
  • Limited Lifetime Warranty
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