High quality digital boundary microphone. Enjoy natural and smooth two-way conversations thanks to our unique echo cancellation feature that reduces echo and howling and no interruptions even when two people speak at the same time. The microphones allow the direction recognition function and indicate the direction of the speaker's voice and position to the listeners. Experience clear audio in small meeting rooms or large halls. This microphone comes with 8 metres of cable and covers a range of about 3 metres making it great for large conference and meeting room. You can even connect up to four digital extra boundary microphones by 'daisy chain' to cover much bigger premises.