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AKG K391 NC vs Polk Audio UltraFit 2000

AKG K391 NC

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Polk Audio UltraFit 2000

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Condition New StockNew Stock
General AKG K391 NCPolk Audio UltraFit 2000
Fit Style In-ear/EarbudOn-ear
Earcup Type ClosedClosed
Earcup Width x Height 0.552" x 0.552"2.085" x 2.085"
Noise-canceling YesNo
Bluetooth NoNo
Mic For Taking Calls YesYes
iPhone Control ---Yes
Lightning Connector NoNo
Android Control ---No
Frequency Response
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12-24k Hz20-23k Hz
Sensitivity
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107.5 +115 dB105 dB
Impedance
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32 Ohms32 Ohms
Weight
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1.7 ounces2.5 ounces
Cord Length
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65"46"
1/4-inch Adapter Included NoNo
Volume Control
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NoYes
Parts Warranty
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1 Year1 Year
Labor Warranty
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1 Year1 Year
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