• Pluggable gooseneck microphone with light ring
• High sensitivity, effective pick-up range up to 50CM
• Support multiple Chairman and vice-chairman at same time
• Speech patterns and apply itself is optional, common mode
• Not any impact on sound quality under long distance transmission
• Built-in loudspeaker
• Increased reliability with "Closed Loop - Daisy Chain" connection topology
• Highly resistant to mobile phone interference
• Chairman unit can override all the active delegate units and approve or reject delegates unit who request to speak
• Multiple chairman can be used in one system, and can be active at any time regardless of the quantity limit of the preset delegate units
• Support software control interface and 232 connector the central control device to achieve centralized control
• 8030LED ,  display  information of microphones, and can prompt a variety of operations
• Unique and innovative self-test feature that allows the test prior to the meeting prepared to be more simple

Seize of LED                         80*30(mm)
Pick up range:                      0-500mm
Frequency response:          40Hz-19 KHz
Sensitivity:                            -38dB±3dB
SNR:                                      -80dB
Nonlinear distortion :           < 0.3 %( 1KHz)
Power:                                   AC24V
Length:                                  410m
Weight:                                  0.75Kg
Temperature:                        -20℃ - 50℃