Packing the one-two punch of passive and active noise reduction (ANR), the Koss Quiet Zone QZ PRO headphones are the noise cancelling headphones of choice for music lovers. Their comfort and collapsibility – not to mention sound quality – make them a favorite among travelers.
For passive noise reduction, the QZPRO feature soft leatherette, closed cushions, which create a tight seal around the ear and reduce ambient noise, all while retaining bass frequencies. Active noise cancellation circuitry – embedded into each QZPRO ear cup – uses tiny microphones that sample surrounding noise and transmit that information to a processing circuit, which then generates "anti-waves" to counteract the unwanted noise and create a peaceful listening environment. No need for noise cancellation? No problem. Turn it off with the flick of a switch.
Not only do the Koss QZPRO excel at noise cancellation and reduction, they deliver uncannily high quality sound. The dynamic element bears a full frequency response of 40-20,000 Hz, allowing these noise cancelling headphones to boast deep bass and balanced midrange. Because for Koss, performance is more than a priority. It’s our legacy.Features:
- 40-20,000 Hz frequency response offers a full range of deep bass and treble clarity for ultimate sound quality and reproduction
- Soft vinyl closed ear cushions create a tight seal around ears and reduce ambient noise
- Active noise reduction technology eliminates unwanted low-frequency noise, creating a peaceful listening environment
- Fully-collapsible design makes headphones perfect for travel
- Extra-soft, padded headband delivers lightweight comfort for extended listening sessions
- Approximately 30 hours of continuous play
- Includes a 4 foot, single-entry straight cord and two-prong airline adapter
- Covered under the Koss Stereophones Limited Lifetime Warranty
- Frequency Response: 40-20,000 Hz
- Impedance: 32 ohms
- Sensitivity: 90 dB SPL/1mW
- Cord: Straight, Single Entry, 4ft