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Polk Audio UltraFit 500 vs Sennheiser MM 450-X

 
Polk Audio UltraFit 500
In Stock 
$39.99
  • in-ear headphones designed for sports and active use
  • moisture-resistant construction for added durability
  • bendable SecureFit™ Support earpiece hooks help headphones stay securely in place
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Sennheiser MM 450-X
Out of Stock 
$349.99
  • Bluetooth® wireless operation with advanced aptX audio circuitry for streaming high-quality stereo sound from aptX-enabled devices
  • NoiseGard 2.0 noise-cancellation technology provides up to 90% active noise cancellation
  • rechargeable battery and multi-country charger included
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Product Features

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Condition New StockNew Stock
General Polk Audio UltraFit 500Sennheiser MM 450-X
Fit Style
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In-earOn-ear
Earcup Type
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ClosedClosed
Noise-canceling
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NoYes
Bluetooth
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NoYes
Frequency Response
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18-23k Hz15-22k Hz
Sensitivity
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118 dB107 dB
Impedance
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16 Ohms100/590act Ohms
Weight
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0.5 ounces3.7 ounces
Cord Length
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14", 41"60"
Airline Adapter Included
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NoYes
iPod Control
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NoYes
Volume Control
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NoYes
Built-in Microphone
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NoYes
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
 
Polk Audio UltraFit 500
In Stock 
$39.99
Add to Cart
Sennheiser MM 450-X
Out of Stock 
$349.99
Add to Cart

Video: Bose® QuietComfort ®15 Noise Cancelling® HeadphonesLearn about what makes Bose's QuietComfort 15 Noise Cancelling Headphones different from the crowd, from their advanced technology to their travel-friendly design.

Noise-Canceling Headphone ChallengeFolks in our I.T. department listened to five different models of noise-canceling headphones while we played a variety of sound effects. See what they had to say about each model's sound quality, noise-canceling ability, and fit and comfort.