Bose® QuietComfort® 20 Acoustic Noise Cancelling® headphones vs Koss RUK40

 
Bose® QuietComfort® 20 Acoustic Noise Cancelling® headphones

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$249.99
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Koss RUK40

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$39.99
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Condition New StockNew Stock
General Bose® QuietComfort® 20 Acoustic Noise Cancelling® headphonesKoss RUK40
Fit Style In-ear/EarbudOn-ear
Earcup Type ClosedClosed
Noise-canceling YesNo
Bluetooth NoNo
Frequency Response
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Not Given20-20k Hz
Sensitivity
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Not Given98 dB
Impedance
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Not Given36 Ohms
Weight
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1.55 ounces2.9 ounces
Cord Length
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5248"
Airline Adapter Included
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NoNo
iPod Control
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NoNo
Volume Control
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NoNo
Built-in Microphone
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YesNo
Parts Warranty
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1 YearLifetime
Labor Warranty
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1 YearLifetime
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research