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Specification
Sony MDR-ZX750AP-R Sony MDR-ZX750AP-R
Rs.5,200.00
Price
Rs.5,400.00
Rs.5,200.00
Brand
Koss
Sony
Model No
SB45 USB
MDR-ZX750AP-R
Wired / Wireless
Wired Headphone Specification
Wired Headphone Specification
Headphone Type
Over Ear
On Ear
Magnet Type
Dynamic
Neodymium
Driver Diameter
40 mm
40 mm
Impedance
100 Ohms
40 Ohms
Sensitivity
103 dB SPL
104 dB/mW
Frequency Response
18Hz - 20KHz
5 Hz - 25,000 Hz
Maximum Power Input
NA
1000 mW
Noise Cancelling
Sound Isolation
NA
Available Colors
Silver
Black, White
Connector Plating
USB
3.5 mm Gold Plated Plug
Cable
USB Type-A Connector Cable
1.2 m
Weight
285 GM
205 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.
- Beat Response Control for enjoyment of tight and deep bass
- 40mm dynamic driver unit for high quality sound
- High energy neodymium magnets deliver powerful sound
- In-line remote and microphone for hands-free phone calls
- Slim, swivel folding style for easy portability
- Pressure relieving earpads for extended comfort

Microphone Features
- Unit/Type : Electret Condenser
- Frequency Range : 20 Hz – 20,000 Hz
- Open circuit voltage level : – 40 dB (0 dB = 1 V/Pa)
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Top Differences

  • Noise Cancelling: NA vs Sound Isolation
  • Weight: 205 g vs 285 GM
  • Impedance: 40 Ohms Vs 100 Ohms
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