A complete list of accessories for an LED display

　　1. LED display screen cost: generally, it is calculated according to the price per square meter, that is, the price of common LED display is xxx yuan/m2. The price will vary depending on the type and materials of LED display. The quotation of the screen body includes the requirements of the full set of LED color screen: tube core, module circuit board, IC driver chip, module power supply, steel box and plastic mask, as well as all the cables and connecting wires inside the LED display screen. Generally, the quotation includes tax, which may be different.

　　2. Cost of control system: that is, the cost of sending card and receiving card of LED display. One screen generally requires only one sending card, which is installed in the computer host, and the number of receiving cards is n. The number of control cards is mainly determined by the size of LED display screen. Generally speaking, the larger the area and the higher the density of LED display screen, the more receiving cards will be used.

　　3. Control computer: necessary equipment for controlling LED display screen, with requirements or higher: dual core CPU, 2G memory, 512M or more independent graphics card, and PCI slot on the motherboard.

　　4. Audio+power amplifier: equipment that makes LED display screen synchronize video broadcast to generate sound, generally equipped with 1 power amplifier and 2 audio.

　　5. Power distribution cabinet: small area LED display can not be used; The LED display equipment with the maximum power consumption of more than 10KW can supply voltage, power and current for the safe operation of the LED display equipment, which can effectively avoid the problems such as the box tripping of the LED display power supply switch.

　　6. Air conditioner: heat dissipation equipment, outdoor LED display above 20m2 must be equipped with air conditioner by the manufacturer to ensure the normal operation of the screen and extend the service life of all devices of LED display. Generally, indoor screen or small area LED display screen can not be used; Large area indoor LED display strongly advocates to equip wall mounted air conditioner to effectively cool down, ensure normal operation of LED display under high temperature and reduce failure rate.

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