Bose® QuietComfort® 20i Acoustic Noise Cancelling® headphones vs PSB M4U 2

 
Bose® QuietComfort® 20i Acoustic Noise Cancelling® headphones

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$249.99
PSB M4U 2

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$299.99
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Condition New StockNew Stock
General Bose® QuietComfort® 20i Acoustic Noise Cancelling® headphonesPSB M4U 2
Fit Style In-ear/EarbudOver-the-ear
Earcup Type ClosedClosed
Noise-canceling YesYes
Bluetooth NoNo
Frequency Response
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Not Given20-20k Hz
Sensitivity
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Not Given102 dB
Impedance
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Not Given32/10k act Ohms
Weight
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1.55 ounces12.8 ounces
Cord Length
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5260" x 2
Airline Adapter Included
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NoYes
iPod Control
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YesYes
Volume Control
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YesMute
Built-in Microphone
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YesYes
Parts Warranty
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1 Year2 Years
Labor Warranty
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1 Year2 Years
  Owner's ManualOwner's Manual
 Hands-on ResearchHands-on Research