Digital conference system host, suitable for small and medium-sized meeting rooms and lecture halls；
●It integrates wired conference discussion, wireless conference discussion, video tracking, conference sign-in, voting, service call, matrix control and other functions.；
●Has a variety of conference speech modes；
●Support external Bluetooth audio input and output；
●Support IP intercom calls；
●Support custom editing of microphone unit role and name
●Support speech list function
● It has cross-operating system conference management, sign-in, and voting software suitable for large-scale conferences such as the National People’s Congress and the CPPCC.；
●You can log in to the conference host through mobile phones, tablets, and PCs to adjust various system parameters；
●4.3″ full-color display, simple and intuitive UI interface, fast operation of multi-function shuttle buttons, fine adjustment of each system parameter；
●Support digital transmission with hand-in-hand ring networks; support 2 independent ring networks to meet different networking needs；
● Can be detached from the conference management software to initiate sign-in and voting functions；
●Speech function：
Restricted speech mode: Maximum limit of 10 people to speak；
Chairman priority mode: Only the chairman unit can speak；
FIFO mode: When the set maximum number of speakers is reached, the last opened speaking unit will replace the first opened speaking unit, and the chairman unit is not subject to this restriction.；
Application for speech mode: The representative unit sends a request to the chairman unit through the speech button before speaking, and the chairman unit can only speak after approval. The display screen of the chairman unit will display the queuing list of the representative unit.；
Limited-time speech mode: By setting the speech limit time, the representative unit must complete the speech within the limited time. After the set time is reached, the representative unit will automatically turn off the speech function.
●The input volume, AGC, EQ and other audio parameters of each wireless speech unit can be adjusted separately, or unified adjustment can be made；
●You can customize the role attributes of each speaking unit (representative unit, chairman unit, host), personnel name, microphone number
●It can be adjusted separately for the camera preset position of any one-line wireless speaker unit, and the video matrix can be linked to complete the seamless switching and tracking between multiple cameras.；
●Support wireless access to device hotspots by PC, mobile phone, tablet and other devices, and real-time adjustment and debugging through web pages and UI interfaces；
●Support three camera communication protocols Pelco_D, Pelco_P, and VISCA, with strong compatibility；
●Comes with RS232 control interface, which can be connected to the central control or directly control the external video switching matrix, and control commands can be customized according to different brand matrices.;
●Support real-time recording function of U disk, maximum support for 64G FAT format U disk，
●The agent microphone supports hot-swappable; plug and play without setting up；
●Support power-on self-test, support automatic diagnosis; prompt the cause of the fault；
●Support balanced output of Canon seat and 3Pin terminal; unbalanced output of lotus head to meet the needs of local sound reinforcement, conference recording, and remote video conferencing；
●Support Bluetooth audio input and output, can be connected to mobile phones and computers Bluetooth audio, can be used for software-side video conferencing or temporary access to telephone voice
●48K Hz audio sampling is used between the host and the microphone, lossless transmission, <10ms transmission delay, and the sound quality is not affected by the length of the network cable.；
Technical parameters
●Power supply and power consumption: AC110V-220V/50HZ, ≤10W (not connected to the microphone)
●Network communication protocols: TCP/IP, UDP, ARP, ICMP, IGMP, HTTP
●Network chip rate: 100Mbps
●Audio encoding format: MP3/PCM/ADPCM
●Audio sampling, bit rate: 8kHz-44.1Khz, 16bit, 8Kbps-320kbps
●Signal-to-noise ratio, frequency response: >83dB, 40Hz-18KHz
●Display: 4.3-inch touch color LCD screen
●Resolution: 480*272
●Display language: Chinese, English
●Interface: RJ45 network port*1, USB interface*1, Fenghuang balanced output*1, XLR balanced output*1, Lotus head stereo line output*1, ring network output*2
●RS232 serial output*1, RS85 communication interface*1
●Working temperature and humidity: 0-45℃, ≤90% (no condensation)
●Product size (width*depth*height): 483*204.5*89mm
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