Feature：

*Special 6 core cable connection.

*Use together with the full digital conference system controller to expand system capacity by connecting more units.

* Metal chasis and internal circuit have strengthened the connection with the ground to ensure the 6000V antistatic ability.

*2U metal case can be mounted in standard 19-inch rack, easy to place and maintenance.

*Built-in universal power supply.

*Itsupports 3 channel synchronous expansion and supports expansion of 128 units.