· Adopt digital integrated circuit technology, low power consumption, high fidelity and extremely stable.

· Seven speech modes: Chairman-specific, first-in, first-out, last-in, first-out, limited speech, free discussion, overwhelming rotation, application for speech;

·Number of seven speakers: 1-6 (personal choice), N (full open);

· Power-on self-test function, the host generates a beep when the connection status is abnormal;

· Power-off intelligent memory function, can remember the original running state of the program. If the power is turned off unexpectedly, the last setting will be restored when the power is turned on;

·With Chinese/English language switching function;

· LCD screen LCD menu display work content, intuitive and clear;

·With anti-howling function, turning on the frequency shift function can effectively suppress howling, expand the volume, increase the pickup distance, ensure the transmission quality of voice, high fidelity and clear sound.

· Use the touch switch button to control the menu function, with volume adjustment, telephone input and total volume output adjuster;

· The host can connect at least 60 conference microphone units with four parallel outputs, each of which can connect 20 units, which can increase power extension or data expansion infinitely;

· Built-in telephone coupling input and output ports for remote teleconferences;

·RS232 port can be connected to the PC setting in combination with the encryption software to synchronize the operation to realize the computer management system function; it can also be connected to the central control to make the conference equipment intelligent.