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Koss 160078 QZ900

Koss 160078 QZ900 Noise-Canceling Headphones

Video Description:

Product Description:

Koss 160078 QZ900 Noise-Canceling Headphones

Dramatically reduces most low frequency distractions

from airplanes, lawn mowers, fans or even the din of an office

Operates with or without active noise-canceling circuit engaged

Freq resp: 20 Hz–20 kHz

Imp: 32Ù

Sensitivity: 100 dB SPL

Removable 4-ft cord features in-line volume control

1 standard AAA battery provides approx 50 hours of active noise cancellation

No-Questions-Asked Lifetime Warranty

Manufacturer's Website Koss Headphones

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