Connect with 60 delegate unit, up to 118 unit with the expansion unit
Microphone number limitation function to limit 1/3/6 delegate unit speech simultaneously
Equiped with two band EQ,and main volume output control
Automatic video tracking system
Audio balance and unbalance output
Conference processing record output jack
4 RJ-45 network connectors
Built-in high fidelity speaker
The working LED will red when microphone open
Chairman unit has the priority function
ON/OFF touch switch without any noise under a long life