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Specification
Koss QZ900 Koss QZ900
Rs.21,600.00
Price
Rs.21,600.00
Rs.21,381.00
Brand
Koss
Audio Technica
Model No
QZ900
ATH-R30x
Wired / Wireless
Wired Headphone Specification
Wired Headphone Specification
Headphone Type
Over Ear
Over Ear
Magnet Type
Neodymium
Dynamic
Driver Diameter
NA
40 mm
Impedance
32 Ohms
36 Ohms
Sensitivity
100 dB/mW
92 dB/mW
Frequency Response
20 Hz - 20000 Hz
15Hz - 25KHz
Maximum Power Input
NA
1000 mW
Noise Cancelling
Yes
Sound Isolation
Available Colors
Black
Black
Connector Plating
3.5 mm Gold Plated Jack
3.5 mm Gold-Plated Mini Stereo Plug
Cable
1.2 m
Non-Detachable, Straight, Dual-Sided Cables
Weight
NA
210 GM
Other Features
- Revolutionary Active Noise Reduction (ANR) headphone system reduces harmful and annoying low frequency sounds in noisy environments
- Closed leatherette ear cushion for added passive noise reduction
- Cord unplugs to enjoy passive and active noise cancellation wirelessly
- Straight single-entry 4 foot cord with in-line volume control
- Fold flat for portability; carrying case included
- Covered under the Koss Stereophones Limited Lifetime Warranty
Wide, realistic soundstage provides an immersive listening experience.
Durable, lightweight construction and a new headband design ensure long-lasting comfort.
Open-back design allows unrestricted driver movement for a clear, natural sound signature.
Versatile open-back reference headphones are ideally suited for home studio production, multimedia content creation, and detailed everyday listening.
Enhanced 40 mm drivers reproduce audio with clarity and balance, delivering well-defined lows, transparent mids, and smooth, extended highs that bring out the detail in any mix.
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Top Differences

  • Noise Cancelling: Yes vs Sound Isolation
  • Driver Size: NA vs 40 mm
  • Weight: NA vs 210 GM
  • Impedance: 32 Ohms Vs 36 Ohms
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