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Specification
Price
Rs.5,400.00
Rs.5,020.00
Brand
Koss
Sennheiser
Model No
SB45 USB
HD 239
Wired / Wireless
Wired Headphone Specification
Wired Headphone Specification
Headphone Type
Over Ear
On Ear
Magnet Type
Dynamic
Neodymium
Driver Diameter
40 mm
NA
Impedance
100 Ohms
32 Ohms
Sensitivity
103 dB SPL
114 dB/mW
Frequency Response
18Hz - 20KHz
16 Hz - 23,000 Hz
Maximum Power Input
NA
NA
Noise Cancelling
Sound Isolation
NA
Available Colors
Silver
Black, Brown
Connector Plating
USB
3.5 mm Gold Plated Jack
Cable
USB Type-A Connector Cable
1.4 mm
Weight
285 GM
5 g
Other Features
Koss SB45-USB Full Size Communication Headsets deliver the full range Sound of Koss allowing you to hear and speak clearly. The Koss Clear Voice Technology, or CVT, allows the SB45 USB noise-reduction microphone to eliminate excessive background noise. This enables the PC voice applications, such as speech recognition, to be used much more easily.
The SB45 USB effortlessly collapses into a compact form for easy storage or on-the-go transportation. Just simply collapse the SB45 USB into its compact form for when you want the comfortable Sound of Koss wherever you are.
- Advanced acoustic system with powerful neodymium magnets and lightweight diaphragms for a lifelike stereo sound experience
- Premium metallic components and exchangeable earpads for superior performance and durability
- Carrying pouch included for easy storage and protection
- Optimised for portable audio including MP3, CD players, iPad, iPod and iPhone (iPad, iPhone and iPod are trademarks of Apple Inc., registered in the U.S. and other countries.)
- 2-year warranty
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Top Differences

  • Noise Cancelling: NA vs Sound Isolation
  • Driver Size: NA vs 40 mm
  • Weight: 5 g vs 285 GM
  • Impedance: 32 Ohms Vs 100 Ohms
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