●PA-680C/PA-680D has discussion,voting functions
●PA-680SC/PA-680SD has discussion,video tracking,voting functions
●With anti electromagnetic, mobile phone interference function
●With TALK button and indicator, can control and display speaking status
●Unidirectional condenser microphone, avoidance of airflow & plosion, equipped with windshield cover
●Bendable mic pipe equipped with annular red indicator, it will light when turning on the microphone
●The power supply for all the microphone units is provided 18V safe voltage by the main unit
●With 8P-DIN socket and equipped an approx 2.5-meter 8PIN DIN cable for “T” type connection
●The units have auto-off function, for the microphones that turned on will be automatically shut off when can not pick-up sound (less than 50dB) for 45 seconds
●The Chairman Unit has priority button, pressing it can send out chairman indicative music to obtain attention of participants, and will turn off all the Delegate Unit, and can configure only Chairman Unit allowed to use
●The Chairman unit’s quantity is unrestricted in the system, and it can be connected in any position
●The Chairman unit is unrestricted for the system “LIMIT” function
●Accord with IEC 60914 standard and UL & CE certificate