Discussion Type Wired Conference Control System Unit HAI-3518D
*With microphone ,speaking button and indicator lamp that can show and control the state of speech.
*Plastic microphone cover shell and metal base.
*With a microphone unit connecting cable.
*Two groups of 3.5mm stereo sound output socket; can be used as speech sound input and earphone connection.
*Built-in double hi-fi speaker, volume control.
*Electronic key for adjust speaking volume and speaker volume.
*The power for units is supplied by the master controller at 24V safe voltage.
*Hand-in-hand connection method.
*With a microphone unit connecting cable 2m, 8P core line, convenient installation can increase efficiency.
Technical Parameters:
Type: capacitance
Polar pattern: one direction
Frequency response: 40Hz-16KHz
Sensitivity: -43±2dB@1KHz
Input voltage: DC 24V(powered by host)
Min input impedance: 1KΩ
S /N Ratio: 68dB(A)
Output connector: 8P terminal
Input and output wire: 2M 8P shielded line
Mic length:410mm
Size:188*136*58mm
Weight:1200g
