The industry's first fully expandable tabletop conference phones. MAX provides premium, full-duplex audio in small conference rooms as a single unit and in larger rooms by linking up to four phone units for unrivaled microphone and loudspeaker coverage. Features Distributed Echo Cancellation, noise cancellation, full-duplex performance and automatic level control for natural conversation. First-mic priority activates microphone closest to the talker reducing ambient noise and room reflections. Three built-in microphones per conference phone for 360-degree audio pick-up. Powerful loudspeaker for rich, clear conferencing. Daisy-chain up to four units so that mics and speakers to cover the entire room. Control volume, mute, and dial from any phone in daisy-chain Perfect for meeting room configurations of any size and any shape. Applications Unified communications Video conferencing Web conferencing Workspaces Huddle spaces Conference rooms