- DECT 6.0
- active noise canceling
Several state-of-the-art sound technologies enable Jabra PRO 9400 series headsets to deliver unrivaled call clarity and safety. State-of-the-art noise-canceling technology and advanced digital signal processing practically eliminates all background noise, so your voice can always be heard clearly. Wideband sound ensures that the sound you hear is crystal clear, while SafeTone technology protects your hearing by cutting off sudden loud noises and securing safe average sound levels through the day.