microphone control host

• 7-inch desktop color touch screen
• Support 8-way partition shortcut key
•  setting
• support one-key call partitioning,
• one-button call for regional broadcast; call
• any partition, support direct operation call or intercom to any terminal
• high-speed industrial grade chip, the startup time is less than 1s.
• Two USB inputs, one φ3.5MIC input socket, matching 95% of the microphones on the market.
• One-channel audio line output, external power amplifier; one audio line input, providing multi-source transmission.
• One-way alarm triggers short-circuit output, cascaded external expansion warning device; one-way short-circuit input can be used as trigger preset voice prompt (or alarm).
• Directly play the music program in the U disk, and convert the music in the U disk into a network data stream and transmit it to other terminal devices.
• Programming timed tasks, support timed offline file playback, support programming multiple sets of timing schemes, support any optional execution terminal.
• Standard network interface, full-speed connection up to 100M, support cross-network segment and cross-route mode.
• Support remote upgrade of server system and terminal firmware, support data backup import and export
• Automatically obtain the function of finding and adding an IP address.
• Support real-time intercom and call, 32KHz sampling during default call/acquisition
• Support protocol TCP/IP, UDP, IGMP (multicast)
• Audio format MP3, 16-bit CD sound quality
• Sampling rate 8KHz~48KHz
• Interface: 2 RJ45 network ports, 1 3.5 headphone jack, 1 3.5 MIC input jack, 1 channel audio line output, 1 channel audio line input, 1 channel alarm trigger short circuit output; 1 channel short circuit input. 2-way USB
• Transmission rate 100Mbps
• The display touches 7 inches and is 800 x 480 pixels. 65K color DGUS screen, virtual QWERTY keyboard
• Signal-to-noise ratio, frequency response >65dB, 80Hz~16KHz (+1/-3dB)
• MIC input sensitivity (unbalanced) 10mV
• Working temperature, humidity 5 ° C ~ 40 ° C, 20% ~ 80% relative humidity, no condensation
• Working power supply AC 190V-240V 50Hz-60Hz (power adapter); DC24V/2A. Power consumption ≤6W
• Dimensions 200 x 158 x 163 mm
• Weight 1.2Kg