KOSS / QZPRO

The QZPRO noise-canceling headphones from KOSS, a long-established American headphone and earphone brand, feature built-in high-precision active noise cancellation that effectively reduces ambient noise, allowing you to listen to music without being affected by surrounding noise, even on airplanes or trains.

[直輸入品][Direct Import]

Noise-Canceling Headphones
Full-size headphones with active noise reduction using microphones in the earcups to detect ambient noise.
The earcups are designed for passive noise reduction.
The noise reduction circuit is turned on/off using a switch on the earcup. The circuit operates for 30 hours using two AAA batteries (inside the earcups).
The included adapter plug allows connection to airplane audio systems with a double-plug headphone jack.

Specifications:
Type: Closed-back
Frequency Response: 40-20,000Hz
Sensitivity: 90dB
Impedance: 32Ω
Distortion: Less than 0.4%
Cord: Straight, approximately 1.2m
Plug: 3.5mm (stereo mini)
Weight: 290g