The MAXAttach + 1 Exp. Kit - the industry’s first fully expandable tabletop conference phones. Comes with three complete phone units to provide you with premium, full-duplex audio in medium sized rooms. It also features the ability to link up to one additional phone unit for greater microphone and speaker coverage (For larger rooms).

Main Features:

• Distributed Echo Cancellation® effectively eliminates echo
• Noise cancellation removes background noises from fans or HVAC systems
• Full-duplex sound enables participants to speak and listen at the same time without cutting in and out
• Automatic level controls keep participants’ audio balanced and consistent
• First-mic priority eliminates hollow “tunnel” sound by activating only the microphone closest to the person speaking
• Three microphones in each phone unit provide 360° audio pickup

• Easy set up and operation — just plug the base station into a power outlet and analog telephone jack

• Automatic Level Control — automatically adjusts microphone volume levels based on how loudly participants in the local room are talking to improve voice quality for far-end participants

• Automatic Gain Control — automatically adjusts loudspeaker volume based on the incoming audio signal from the far end to provide clear, intelligible audio in the local room