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Product Comparison
Polk Audio UltraFit 2000 vs Koss RUK40

Polk Audio UltraFit 2000

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Koss RUK40

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Condition New StockNew Stock
General Polk Audio UltraFit 2000Koss RUK40
Fit Style On-earOn-ear
Earcup Type ClosedClosed
Earcup Width x Height 2.085" x 2.085"2.467" x 2.467"
Noise-canceling NoNo
Bluetooth NoNo
Mic For Taking Calls YesNo
iPhone Control Yes---
Android Control No---
Frequency Response
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20-23k Hz20-20k Hz
Sensitivity
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105 dB98 dB
Impedance
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32 Ohms36 Ohms
Weight
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2.5 ounces2.9 ounces
Cord Length
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46"48"
1/4-inch Adapter Included NoNo
Volume Control
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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
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