Feature：

* Smart touch buttons, user-friendly operation, including Record, Play, Mode, Switch and Volume buttons.

* Four conference modes: FIFO (first-in first-out mode), NORMAL (normal mode), FREE (free mode), APPLY (apply to speak).

* Support limiting the number of spokesmen: the number of speaking units can be set to 1, 2, 4 and 6; the chairman unit is not limited.

* Support connecting to a maximum of 30 units.

* Hand in hand cable connection mode, convenient for installation and maintenance.

* Adopt digital equalization module and noise reduction module for audio processing, ensure clear and bright sound; designed with 1 audio input and 1 audio output.

* Equipped with 1 original sound output channel, connected to PA amplifier for sound amplification.

* Equipped with 1 recording output channel, connected to equipment for recording.

* Built-in recording function and SD interface, support real-time conference recording; used with an 8G SD card for recording.

* Support connecting external mics, and gain value is adjustable.

* Support 48V phantom power, when connecting to external mic, gain value is adjustable.

* Support 24V DC power supply for the controller and mic units.

* Metal housing and internal circuit are well connected to the ground wire to ensure the 6000V anti-static capability.

* Desktop placement, easy for operation.

* Designed with a 3.5mm headphone jack for real-time conference monitoring.

Specification：