Bose® QuietComfort® 20i Acoustic Noise Cancelling® headphones vs Sennheiser MM 400-X

 
Bose® QuietComfort® 20i Acoustic Noise Cancelling® headphones
In Stock 
$299.99
  • in-ear headphones with Acoustic Noise Cancelling® technology
  • in-line three-button remote and microphone let you take calls and control music on an iPhone®
  • Aware mode allows some external sound into your ears so you can remain aware of your surroundings while your music remains clear
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Sennheiser MM 400-X
In Stock 
$269.99
  • Bluetooth technology wirelessly transmits music and phone calls from your compatible portable player or cell phone to the headphones
  • advanced aptX audio circuitry for wirelessly streaming high-quality stereo sound from aptX-enabled devices
  • rechargeable battery and multi-country charger included
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Product Features

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Condition New StockNew Stock
General Bose® QuietComfort® 20i Acoustic Noise Cancelling® headphonesSennheiser MM 400-X
Fit Style
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In-earOn-ear
Earcup Type
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ClosedClosed
Noise-canceling
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YesNo
Bluetooth
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NoYes
Frequency Response
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Not Given15-22k Hz
Sensitivity
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Not Given107 dB
Impedance
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Not GivenN/A
Weight
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1.55 ounces3.7 ounces
Cord Length
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5260"
Airline Adapter Included
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NoYes
iPod Control
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YesYes
Volume Control
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YesYes
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
 
Bose® QuietComfort® 20i Acoustic Noise Cancelling® headphones
In Stock 
$299.99
Add to Cart
Sennheiser MM 400-X
In Stock 
$269.99
Add to Cart