Description:The audio board is used for external audio collection, which can directly access the external balanced audio signal and output the balanced audio signal specified by the system equipment.Feature:* Receive scheduling commands to collect audio and play it to the designated zones.* Receive the scheduling command and output the correspondin..

Description：The FAS short-circuit board is used to collect external input status and upload it to the system controller of the PA system. According to the control command sent by the system controller, the external output interface is controlled to perform actions. At the same time, it collects audio according to the scheduling command and plays it..

Description：The master control board is used for data exchange between the broadcast controller and the system controller. It supports reporting the working status of the device, such as online status and fault status.Feature：* Support data interaction with the system controller.* Report the working status of the device: online status, fault status..

Description:Thee amplifier controller supports the access of various power boards. It is a power device used for system extension, and supports the display of system device status and zone status.Feature:* Display the working status of each board.* Display the working status of the cabinet power supply.* Support the mixed insertion of different boa..

Description:Thee amplifier controller supports the access of various power boards. It is a power device used for system extension, and supports the display of system device status and zone status.Feature:* Display the working status of each board.* Display the working status of the cabinet power supply.* Support the mixed insertion of different boa..

Feature:* Digital decoding amplifier board* Efficiency Class D amplifier* Built-in digital decoder to decode network audio directly* Support disconnected local emergency audio input broadcast* Loop state detection for output zones* Support the backup mode of 4-main-1-standby, 5  amplifier boards* Support the real-time indication of the working..

Feature:* Supply power for cabinet amplifier board* Support the indication of the working state* Support uninterrupted maintenance and repair, and start-stop function on the moduleSpecification:ModelVA-6501Input voltage~ 110/~ 220V 50/60 HzMaximum input current12AFuse specification250V/12A slow type..

Description:It is the broadcast 100V signal output module of the PA system, and the output terminal is directly connected to the broadcast speaker. It needs to be plugged into the amplifier controller for normal use.Feature：* High efficiency class D amplifier.* Built-in digital decoder, directly decode network audio.* Support local emergency audio ..

Description：It is the broadcast 100V signal output module of the PA system, and the output terminal is directly connected to the broadcast speaker. It needs to be plugged into the amplifier controller for normal use.Feature：* High efficiency class D amplifier.* Built-in digital decoder, directly decode network audio.* Support local emergency audio ..

Description：It is the broadcast 100V signal output module of the PA system, and the output terminal is directly connected to the broadcast speaker. It needs to be plugged into the amplifier controller for normal use.Feature：* High efficiency class D amplifier.* Built-in digital decoder, directly decode network audio.* Support local emergency audio ..

Description:It is the broadcast 100V signal output module of the PA system, and the output terminal is directly connected to the broadcast speaker. It needs to be plugged into the amplifier controller for normal use.Feature:* High efficiency class D amplifier.* Built-in digital decoder, directly decode network audio.* Support local emergency audio ..

Description:The amplifier power board is used in the amplifier controller cabinet to provide power supply for the amplifier controller cabinet and the boards in it.Feature:* Provide power for cabinet boards.* Support the indication of the working status of the board.* Support uninterrupted power maintenance, and the start-stop function on the modul..

Feature:* Integrated information management platform interface: it can be connected to the train information management platform through the network.* Software SDK call.* Device configuration software call.* Device status display: Use the grid interface to connect to the SDK to display the status of different areas, including: zone status, playback..

Feature:* Integrated information management platform interface: support connecting with train information management platform through network.* Software SDK invocations.* Device configured software invocations.* Device status display: use grid interface to connect to SDK, and the status of different zones can be displayed, including zone status, pl..

Feature:* Integrated information management platform interface: it can be connected to the train information management platform through the network.* Software SDK call.* Device configuration software call.* Device status display: Use the grid interface to connect to the SDK to display the status of different areas, including: zone status, playback..