- full size
- active noise canceling
- 3.5 mm jack
Koss's active noise reduction circuitry is built directly into the earcups using tiny microphones that sense surrounding low frequency. Information about the undesirable sound waves is processed through the circuitry and creates an "anti-wave." The sound wave and "anti-wave" counteract each other at the wearer's ear, reducing the irritating low frequency noise and increasing listening pleasure.
Designed to reduce low frequency, repetitive noise, the QZ PRO is most effective at blocking out noises you want to eliminate while not affecting things you want to hear- like voice and music. The QZ PRO affects those noises between 30 Hz and 1400 Hz, all