Voice Evacuation and Public Address Systems for Buildings, Rail, Airports and Platforms

8 Zone Voice Alarm Amplifier, with built-in 500W digital amplifier and 8 independent power zones,support the speaker loop ground connection, open circuit and short circuit test detection, indicator for each zone, independent output control button and volume control

Terminal Detector, working with VA-6000MS and detect the speaker loop working status, not to be influenced by the BGM signal, no need outer power supply, easy installation

Broadcast controller VA-6500(CC1) 7-inch touch screen; plug-in card design, support access to a maximum of 14 small boards, and support mixed insertion and hot swapping of boards; dual power supply design

Main Control Board VA-6500C(CM1) Interact data with the interface host. Report the working status of the device: online status, fault status, etc. Number of boards supported: only 1

Audio Board CA1 (VA-6500C) *Receive the scheduling commands to collect audios and play them to the designated areas. * Receive the scheduling commands to output the corresponding audio signals. * Interact with the external system through RS422, and realize the forwarding of external system commands. * Interact with the external system through RS485, and realize the forwarding of external system commands. * Report the working status of the equipment: online status, failure status, etc. Supporting board quantity maximum of 4

Telephone Interface Board CT1 (VA-6500C) * Handle telephone dialing operation, and broadcast telephone to designated zones according to user operation. * Report the working status of the equipment: online status, failure status, etc.Supporting board quantity Only 1

Noise Detection Board CN1 (VA-6500C) * Collect the ambient noise data and upload them to the system for automatic adjustment of the output volume in this zone.* Report the working status of the equipment: online status, failure status, etc. Noise detection signal interface 4 noise detection signal inputs

FAS Short Circuit Board CF1 (VA-6500C) * Collect the external input status signals and upload them to the interface controller. * Receive the control commands from the interface controller to control the executing actions of the external output interface. * Receive the scheduling commands to collect audios and play them to the designated zones.

Controller Power Board CP1 (VA-6500C) * Provide power supply for the cabinet controller board. * Support the indication of the working status of the board. * Support inspection and maintenance without power off, and the start-stop function on the module is needed.

PA1 (VA-6501P) Amplifier Board *Digital decoding amplifier board *Efficiency Class D amplifier *Built-in digital decoder to decode network audio directly *Support disconnected local emergency audio input broadcast

PA2 (VA-6501P) Amplifier Board *Digital decoding amplifier board *Efficiency Class D amplifier *Built-in digital decoder to decode network audio directly *Support disconnected local emergency audio input broadcast Output Power 240W

Amplifier Board PA3 (VA-6501) * Digital decoding amplifier board * Efficiency Class D amplifier * Built-in digital decoder to decode network audio directly * Support disconnected local emergency audio input broadcast Output Power 350W

PA5 (VA-6501P) Amplifier Board *Digital decoding amplifier board *Efficiency Class D amplifier *Built-in digital decoder to decode network audio directly *Support disconnected local emergency audio input broadcast

PP1 (VA-6501P) Board *Supply power for cabinet amplifier board *Support the indication of the working state *Support uninterrupted maintenance and repair, and start-stop function on the module

PM1(VA-6501P) Amplifier Board *Supports receiving 5-channel power signal input simultaneously. *Built-in 5×4 power switch array can realize load balancing and free redundant backup of input power amplifier boards. *Supports 4-channel power signal output. *Supports partition loop detection function.

Railway VA-6500 EVAC System Controller HC1(VA-6502) * 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.

Station Interface Controller HS1 VA-6502 * 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.

Tunnel Interface Controller HT1 (VA-6502) * 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, playback information, etc. * Audio management: store and manage different audio files.

Transfer Interface Controller HE1 (VA-6502) * 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

System Controller HP1(VA-6502) * Receive 2 walkie-talkie signals at the same time. * Built-in 2-channel digital wireless intercom receiving module, supports reception of professional DMR intercoms, car radios and other equipment. * The panel LED displays the receiving status of each walkie-talkie. * Equipped with LAN port for digital audio and control signal transmission. * The receiving parameters and output volume of each walkie-talkie can be configured separately. * Support remote configuration and upgrade through network port.

Railway VA-6500 EVAC System Software AC1 (VA-6503) * Support modbus protocol and integrated monitoring system, realize train operation information acquisition and train arrival/departure automatic broadcast. * Support HTTP protocol and one-key alarm, integration with alarm system. * Support the integration with clock system to realize unified management of internal system time. * Support secondary development, HTTP protocol and other integration methods. * Support the integration with voip phone to realize the telephone broadcast function.

Railway VA-6500 EVAC System Software SC1 VA-6503 * Support real-time management of device information and device status, support one-key replacement of device addresses and device custom group management; * Support the current task status management of the system, and support the closing function of the session task; * Support the management and input of station information; * Supports task distribution management such as trigger tasks, telephone interface card tasks, and digital microphone broadcasting; * Support the distribution and management of broadcast tasks of parallel broadcasting, TTS broadcasting, timed broadcasting, emergency broadcasting, and zone broadcasting; * Support multi-user, sub

Railway VA-6500 EVAC System Software SD1(VA-6503) * Support equipment status monitoring to realize data collection, analysis and management of equipment operating status; * Support priority management, support 3-level(user, station, task) priority; * Support station configuration information management; * Support equipment fault management, real-time monitoring of equipment in various areas, and real-time alarm for faults; * Support configuration management of trigger, microphone, intercom and other tasks; * Support multi-user management; * Support log integrated management of equipment, tasks and users; * Support remote update of audio files.

Railway VA-6500 EVAC System Software SM1 (VA-6503) *Support one-click query of equipment in the system; * Support equipment configuration and equipment information modification;

Railway VA-6500 EVAC System Software SL1 (VA-6503) * It can integrate with common Analog Railway VA-6500 EVAC System; * It can integrate with common Digital Railway VA-6500 EVAC System.

Railway VA-6500 EVAC System Software AS1 (VA-6503) * Support modbus protocol and integrated monitoring system, realize train operation information acquisition and train arrival/departure automatic broadcast. * Support HTTP protocol and one-key alarm, integration with alarm system. * Support the integration with clock system to realize unified management of internal system time. * Support secondary development, HTTP protocol and other integration methods. * Support the integration with voip phone to realize the telephone broadcast function.

Railway VA-6500 EVAC System Software SS1 VA-6503 *Support real-time management of device information and device status, support one-key replacement of device addresses and device custom group management; *Support the current task status management of the system, and support the closing function of the session task; *Support the management and input of station information; *Supports task distribution management such as trigger tasks, telephone interface card tasks, and digital microphone broadcasting; *Support the distribution and management of broadcast tasks of parallel broadcasting, TTS broadcasting, timed broadcasting, emergency broadcasting, and zone broadcasting; *Support multi-user, sub-authority, sub-equipment management system; *Support log integrated management of equipment, tasks and users; *Support trigger task management such as trigger and external communication; *Support the custom function of prompt sound information; *Full digital management.

Railway VA-6500 EVAC System Software SR1 VA-6503 * Support dual-network dual-channel backup recording * Support 3-months recording file storage * Support recording query and export function

AT1 (VA-6503) System Software * Support connecting with the integrated monitoring system through modbus protocol. * Support connecting with one-key alarm and alarm system through HTTP protocol. * Support connecting with clock system. * Support secondary development kit, HTTP protocol and other connecting methods. * Support connecting with voip telephone.

AP1 (VA-6503) System Software Features: * Support connecting with the integrated monitoring system through modbus protocol. * Support connecting with one-key alarm and alarm system through HTTP protocol. * Support connecting with clock system. * Support secondary development kit, HTTP protocol and other connecting methods. * Support connecting with voip telephone.

ST1 (VA-6503) System Software *Equipment status management *Support task status management *Support station information management *Support task distribution management *Supports task distribution management such as oral broadcast, line input, emergency alarm, temporary broadcast and parallel broadcast *User permission management is supported *Support integrated management of equipment, task and user logs *Support the management of triggering tasks such as contacts and external communication

Broadcast Console BA1 (VA-6504) * Adopt a 10.1-inch high-definition capacitive touch screen, which provides fine picture display, graphical operation interface and user-friendly operation; * Adopt Celeron J1900 CPU, 4G memory and 64G hard disk; * Adopt a microphone with super cardioid polar pattern, which supports 48Khz sampling rate to ensure high-quality sound; * Based on 3-layer network transmission technology, compatible with standard network protocols, support 48Khz/16-bit across-network audio transmission; * Support paging broadcast function, and support broadcasting calling to designated zones; * Support full duplex two-way intercom function to realize hands-free call; * Support timed tasks, and support viewing and managing the task list; * Support voice broadcast and TTS broadcast tasks, and support the storage of media files converted by TTS; * Support recording tasks, which can be saved in local media libraries or can work as broadcast tasks; * Support password log-in management, support automatic screen lock function and timed screen lock when no operation; * The emergency button supports broadcasting in all zones after the system is paralyzed; * Support local media library management, support uploading files of WMA, WAV, CD formats, support uploading or deleting files; * Built-in echo cancellation function, and network echo suppression; * Built-in 2W monitoring speaker, with clear and powerful sound.

Broadcast Console BB1 (VA-6504) * Adopt a 10.1-inch high-definition capacitive touch screen, which provides fine picture display, graphical operation interface and user-friendly operation; * Adopt Celeron J1900 CPU, 4G memory and 64G hard disk; * Adopt a microphone with super cardioid polar pattern, which supports 48Khz sampling rate to ensure high-quality sound; * Based on 3-layer network transmission technology, compatible with standard network protocols, support 48Khz/16-bit across-network audio transmission; * Support paging broadcast function, and support broadcasting calling to designated zones; * Support full duplex two-way intercom function to realize hands-free call; * Support timed tasks, and support viewing and managing the task list; * Support voice broadcast and TTS broadcast tasks, and support the storage of media files converted by TTS; * Support recording tasks, which can be saved in local media libraries or can work as broadcast tasks; * Support password log-in management, support automatic screen lock function and timed screen lock when no operation; * Support local media library management, support uploading files of WMA, WAV, CD formats, support uploading or deleting files; * Built-in echo cancellation function, and network echo suppression; * Built-in 2W monitoring speaker, with clear and powerful sound.

Audio Microphone BC1 (VA-6504) * Adopt a microphone with super cardioid polar pattern, which supports 48Khz sampling rate to ensure high-quality sound; * Based on 3-layer network transmission technology, compatible with standard network protocols, support 48Khz/16-bit across-network audio transmission; * Support paging broadcast, support scheduling through system management software, support broadcasting calling to designated zones; * Support full duplex two-way intercom function to realize hands-free call; * Built-in echo cancellation function, and network echo suppression; * Adopt independently developed data transmission technology, support extremely low end-to-end transmission delay, and realize zero-delay experience; * Built-in 2W monitoring speaker, with clear and powerful sound. * Support the power supply mode of 12V DC power adapter; * Support remote firmware upgrades through the LAN without disassembling the machine, which reduces the work intensity of maintenance personnel.VA-6504

Audio Microphone BT1 (VA-6504) * Adopt a microphone with super cardioid polar pattern, which supports 48Khz sampling rate to ensure high-quality sound; * Based on 3-layer network transmission technology, compatible with standard network protocols, support 48Khz/16-bit across-network audio transmission; * Support paging broadcast, support scheduling through system management software, support broadcasting paging to designated zones; * Support full duplex two-way intercom function to realize hands-free call; * Built-in echo cancellation function, and network echo suppression; * Adopt independently developed data transmission technology, support extremely low end-to-end transmission delay, and realize zero-delay experience; * Built-in 2W monitoring speaker, with clear and powerful sound. * Support the power supply mode of 12V DC power adapter; * Support remote firmware upgrades through the LAN without disassembling the machine, which reduces the work intensity of maintenance personnel.

Intercom Panel BD1 (VA-6504) The professional network intercom terminal is dust-proof and water-proof, and suitable for indoor and outdoor environments. It supports one-key broadcast and one-key intercom.

Paging Microphone VA-6504 (Specification: BE1) *It has a 7-inch resistive touch screen with a resolution of 800*480. *Built-in monitoring speaker, supports monitoring of broadcast partitions, and supports direct operation monitoring (ambient monitoring) of any terminal. *It has a 3.5mm local line audio input interface, which supports playing line input to the specified partition. *It has a 3.5mm audio output interface. *Supports paging of specified partitions. *It supports remote monitoring of the

Broadcast Console VA-6504 (BA3) * Adopt a 10.1-inch high-definition capacitive touch screen, which provides fine picture display, graphical operation interface and simple operation; * Adopt Celeron J1900 CPU, 4G memory and 64G hard disk; * Adopt a microphone with super cardioid polar pattern, which supports 48Khz sampling rate to ensure high-quality sound; * Based on 3-layer network transmission technology, compatible with standard network protocols, support 48Khz/16-bit across-network audio transmission; * Support paging broadcast function, and support broadcasting calling to designated zones; * Support full duplex two-way intercom function to realize hands-free call; * Support timed tasks, and support viewing and managing the task list; * Support voice broadcast and TTS broadcast tasks, and support the storage of media files converted by TTS; * Support recording tasks, which can be saved in local media libraries or can work as broadcast tasks; * Support password log-in management, support automatic screen lock function and timed screen lock when no operation; the emergency button supports the highest priority emergency broadcasting in all zones with one key; * Support local media library management, support uploading files of WAV and MP3 formats, support uploading or deleting files; * Built-in echo cancellation function, and network echo suppression;

Broadcast Console VA-6504 (BC3) * Adopt a super directional microphone, which supports 48Khz sampling rate to ensure high-quality sound; * Based on 3-layer network transmission technology, compatible with standard network protocols, support 48Khz/16-bit across-network audio transmission; * Support paging broadcast function, and support broadcasting calling to designated zones through system management software; * Support full duplex two-way intercom function to realize hands-free call; * Built-in echo cancellation function, and network echo suppression; * Adopt independently developed data transmission technology, support extremely low end-to-end transmission delay, and realize zero-delay experience; * Built-in 2W monitoring speaker, with clear and powerful sound. * Support the power supply mode of 12V DC power adapter; * Support remote firmware upgrades through the LAN without disassembling the machine, which reduces the work intensity of maintenance personnel.

Noise Detection Controller NC1 (VA-6505) * 4 mono-channel inputs and 4 mono-channel outputs. * 4 channels of digital probe interfaces: probes can be connected in series or in parallel, and each digital probe can be connected with a maximum of 16. * Each device can be connected with at least 16 noise detection probes, and the detection probes can transmit signals as far as 3KM. * The device shall provide a serial port (DB9) for convenient online downloading of relevant configuration data. * It can be automatically detected and controlled offline. * Computer software configuration function, with plug-in software. * With DC24V power supply interface. * LCD screen supports the display or viewing of relevant configuration data. * 4 output LED level indicator lights are convenient for checking the current channel output level. * Single-key shuttle control function key controls all data and related configurations. * The sampling frequency period can be customized. * It has the maximum output level function. * Ambient Noise Control (ANC) and Automatic Level Control (ALC).

Noise Detector NT1 (VA-6505) * Probes can be connected in series or in parallel, and each digital probe can be connected with a maximum of 16. * The sampling frequency period can be customized. * The collected on-site ambient noise is processed and the signal is transmitted back to the detection controller. * Full digital noise acquisition probe. * High and low pass filtering frequency is adjustable. * Long distance transmission: up to 3 kilometers.

Speaker VA-6506 (Specification: SP2)The IP speaker is a low-power decoding speaker based on network transmission for PA system. It supports direct access to the PA system through network cables, which facilitates the rapid expansion of broadcast zones.

Speaker dual circuit controller This product connects to the output broadcast signal of the power amplifier module and distributes the connected broadcast signal to two fixed broadcast partitions. It supports a 4-channel power amplifier broadcast signal input and an 8-channel partition signal output. Additionally, the output broadcast partition features a loop detection function.

Speaker VA-6506 (Specification: SP41P) * Aluminum alloy main integrated structure + sandwich structure of front and rear mesh covers, high strength, firm and reliable. * Ultra-thin body shape, the total thickness is not more than 40mm, the surface is anodized with fine sand grains, beautiful and generous. * Built-in 2 planar drivers,front and rear 360-degree sound, plane wave transmission, long transmission distance. * With embedded control technology and DSP audio processing technology. * Network data transmission technology based on completely independent intellectual property rights, fully controllable. * Built-in 2-way network hardware audio decoding module, support TCP/IP, UDP protocol, realizes network receiving audio signal. * Equipped with AC220V power interface, built-in 25W high-efficiency power amplifier. * Support direct access to the rail transit broadcast system network to expand the broadcast zone. * Rail transit broadcasting system network audio source reception, decoding, power amplification and broadcast sound reinforcement. * Support reporting the working status of the device: online status, fault status, etc * Support system management and control of rail transit broadcasting system. * Support equipment-side monitoring of rail transit broadcasting system * Multi-point installation, horizontal or vertical installation. * Anti-mildew, anti-moisture, anti-salt spray.

Speaker VA-6506 (Specification: SP42P) * Aluminum alloy main integrated structure + sandwich structure of front and rear mesh covers, high strength, firm and reliable. * Ultra-thin body shape, the total thickness is not more than 40mm, the surface is anodized with fine sand grains, beautiful and generous. * Built-in 2 planar drivers,front and rear 360-degree sound, plane wave transmission, long transmission distance. * With embedded control technology and DSP audio processing technology. * Network data transmission technology based on completely independent intellectual property rights, fully controllable. * Built-in 2-way network hardware audio decoding module, support TCP/IP, UDP protocol, realizes network receiving audio signal. * Equipped with AC220V power interface, built-in 50W high-efficiency power amplifier. * Support direct access to the rail transit broadcast system network to expand the broadcast zone. * Rail transit broadcasting system network audio source reception, decoding, power amplification and broadcast sound reinforcement. * Support reporting the working status of the device: online status, fault status, etc * Support system management and control of rail transit broadcasting system. * Support equipment-side monitoring of rail transit broadcasting system * Multi-point installation, horizontal or vertical installation. * Anti-mildew, anti-moisture, anti-salt spray.

Speaker VA-6506 (Specification: SP41V) * Aluminum alloy main integrated structure + sandwich structure of front and rear mesh covers, high strength, firm and reliable. * Ultra-thin body shape, the total thickness is not more than 40mm, the surface is anodized with fine sand grains, beautiful and generous. * Built-in 2 planar drivers,front and rear 360-degree sound, plane wave transmission, long transmission distance. * Built-in transformer, low-cut capacitor, support 100V 25W power output * Support direct connection with regular pressure amplifiers for public broadcasting sound reinforcement * Multi-point installation, horizontal or vertical installation. * Anti-mildew, anti-moisture, anti-salt spray. Application 1. Public broadcasting for airports, automobiles, railways and subway stations. 2. Internal broadcasting for ships and warships. 3. Public and emergency broadcasting for schools, shopping malls, hotels, and institutions. 4. Emergency broadcasting in public places such as parks and squares.

Speaker VA-6506 (Specification: SP42V) * Aluminum alloy main integrated structure + sandwich structure of front and rear mesh covers, high strength, firm and reliable. * Ultra-thin body shape, the total thickness is not more than 40mm, the surface is anodized with fine sand grains, beautiful and generous. * Built-in 2 planar drivers,front and rear 360-degree sound, plane wave transmission, long transmission distance. * Built-in transformer, low-cut capacitor, support 100V 50W power output. * Support direct connection with conventional fixed-resistance power amplifiers for public address sound reinforcement. * Multi-point installation, horizontal or vertical installation. * Anti-mildew, anti-moisture, anti-salt spray.

Speaker VA-6506 (Specification: SP42R) * Aluminum alloy main integrated structure + sandwich structure of front and rear mesh covers, high strength, firm and reliable. * Ultra-thin body shape, the total thickness is not more than 40mm, the surface is anodized with fine sand grains, beautiful and generous. * Built-in 2 planar drivers,front and rear 360-degree sound, plane wave transmission, long transmission distance. * Support 4Ω 50W power output. * Support direct connection with conventional fixed-resistance power amplifiers for public address sound reinforcement. * Multi-point installation, horizontal or vertical installation. * Anti-mildew, anti-moisture, anti-salt spray.

VA-6511 Broadcast Booster The weak current room or equipment room installed in each area can be connected with 4 100V constant-voltage amplifiers for audio constant-voltage output boost function. *Standard 19-inch rack design, all-aluminum panel, professional mechanical assembly process, high-grade appearance. *Built-in 4 sets of independent constant voltage 100V input interfaces, each group provides 4 sets of independent constant voltage 400V output after boosting through the internal audio transformer of the equipment. *The optimized 100V constant voltage output is attenuated after long-distance transmission, and a longer sound reinforcent transmission distance is achieved through internal audio boosting.

VA-6512 Audio Collector Support 8-channel analog unbalanced audio input and 8-channel contact signal input; Support 8-channel contact signal and 8-channel analog audio input in a one-to-one correspondence; With 1 standard RJ45 Ethernet interface, the device is connected to the rail transit broadcasting system network; Support network transmission of 8-channel audio at the same time; Support contact input such as dry contact and level mode; Support indication of audio channel status and contact status;

Broadcast controller VA-6500(CC21) 7-inch touch screen; plug-in card design, support access to a maximum of 14 small boards, and support mixed insertion and hot swapping of boards; dual power supply design

Telephone Interface Board VA-6500C(CT21) It is used to connect ordinary program-controlled telephones to the PA system, and supports 2-channel ordinary program-controlled telephone access Number of boards supported: only 1 Telephone line interface: RJ11*2, telecom standard

FAS Short Circuit Board VA-6500C(CF21) It is used to collect external input status and upload it to the system controller of the PA system. Number of boards supported: up to 8 Audio input: balanced*1, ±0.385V Audio output: balanced output*1, ±0.385V, TDH<0.1%, frequency response: 80—16KHz

Master Control Power Board VA-6500C(CP21) It is used in the broadcast controller cabinet to provide power supply for the broadcast controller cabinet and the boards in it.

Explosion-Proof Remote Telephone Station Interface Board VA-6500C(CI21) It is used to connect the outdoor explosion-proof remote control telephone station to the PA system. Number of boards supported: only 1

Four-Color LED Logic Board VA-6500C(LC21) It is used to transmit the alarm light control command of the PA system to the four-color light controller and supply power to the four-color light controller.

Four-Color Light Controller VA-6500F(FC21) Support the access of the four-color light power supply; the controller is connected to the PA system through the four-color light logic board; the system supports the extension of up to 10 control boards

Amplifier Controller VA-6501(PC21) The amplifier controller cabinet supports the access of various power boards, and is a power device for expanding the system. Number of supported boards: maximum 14 boards connected (7 large boards, 14 small boards)

120W Amplifier Board VA-6501P(PA21) High-efficiency class-D amplifier, which needs to be inserted into the amplifier controller; support up to 5 amplifier boards to form 4 masters + 1 backup mode

240W Amplifier Board VA-6501P(PA22) High-efficiency class-D amplifier, which needs to be inserted into the amplifier controller; support up to 5 amplifier boards to form 4 masters + 1 backup mode

350W Amplifier Board VA-6501P(PA23) High-efficiency class-D amplifier, which needs to be inserted into the amplifier controller; support up to 5 amplifier boards to form 4 masters + 1 backup mode

500W Amplifier Board VA-6501P(PA25) High-efficiency class-D amplifier, which needs to be inserted into the amplifier controller; support up to 5 amplifier boards to form 4 masters + 1 backup mode

Amplifier Power board VA-6501P(PP21) It is used in the amplifier controller cabinet to provide power supply for the amplifier controller cabinet and the boards in the cabinet.

DC Power board VA-6501P(PD21) It is used in broadcasting controller cabinets and amplifier controller cabinets, and provides power supply for the cabinets and boards in the cabinets when the AC power supply is cut off.

Broadcast Console VA-6504(BA21) 10.1-inch touch screen; panel keys: alarm confirmation key; Abandon platform alarm key; oil and gas leakage alarm key; integrated alarm key; release alarm key; power on/off key; zone selection key

System Controller VA-6502(HC21) As the core equipment of the IP PA system, it supports the access of various functional boards. 1*VGA, 1*HDMI, 4*LAN, 1*MIC in, 1* Line out, 1* Line in, 2*USB3.0, 4*USB2.0

IP Decoder Terminal VA-6508(RD21) Convert the RS485 communication port of the IP remote control terminal into a standard network interface, and support power supply to it.

Broadcast controller VA-6500(CC31) 7-inch touch screen; plug-in card design, support access to a maximum of 14 small boards, and support mixed insertion and hot swapping of boards; dual power supply design

Noise detection board VA-6500C(CN31) It is used to collect the environmental noise of the use environment, and realize the system to automatically control the broadcast volume according to the environmental noise. Noise detection signal interface: 4 inputs Number of boards supported: up to 8

Telephone Interface Board VA-6500C(CT31) It is used to connect ordinary program-controlled telephones to the PA system, and supports 2-channel ordinary program-controlled telephone access Number of boards supported: only 1 Telephone line interface: RJ11*2, telecom standard

FAS Short Circuit Board VA-6500C(CF31) It is used to collect external input status and upload it to the system controller of the PA system. Number of boards supported: up to 8 Audio input: balanced*1, ±0.385V Audio output: balanced output*1, ±0.385V, TDH<0.1%, frequency response: 80—16KHz

Master Control Power Board VA-6500C(CP31) It is used in the broadcast controller cabinet to provide power supply for the broadcast controller cabinet and the boards in it.

Amplifier Controller VA-6501(PC31) The amplifier controller cabinet supports the access of various power boards, and is a power device for expanding the system. Number of supported boards: maximum 14 boards connected (7 large boards, 14 small boards)

120W Amplifier Board VA-6501P(PA31) High-efficiency class-D amplifier, which needs to be inserted into the amplifier controller; support up to 5 amplifier boards to form 4 masters + 1 backup mode

240W Amplifier Board VA-6501P(PA32) High-efficiency class-D amplifier, which needs to be inserted into the amplifier controller; support up to 5 amplifier boards to form 4 masters + 1 backup mode

350W Amplifier Board VA-6501P(PA33) High-efficiency class-D amplifier, which needs to be inserted into the amplifier controller; support up to 5 amplifier boards to form 4 masters + 1 backup mode

500W Amplifier Board VA-6501P(PA35) High-efficiency class-D amplifier, which needs to be inserted into the amplifier controller; support up to 5 amplifier boards to form 4 masters + 1 backup mode

Amplifier Power board VA-6501P(PP31) It is used in the amplifier controller cabinet to provide power supply for the amplifier controller cabinet and the boards in the cabinet.

Broadcast Console VA-6504(BA31) 10.1-inch HD capacitive touch screen, super directional microphone; built-in 2W monitor speaker; power consumption ≤ 45W; desktop installation

5" Ceiling Speaker with fire dome, 0.38W-0.75W-1.5W-3W-6W, 100V, cutout 157mm, metal baffle, grille and back cover, ceramic connector, fire resistant cable, thermal fuse (Fireproof speaker), with capacitor

6" Ceiling Speaker with fire dome, 0.38W-0.75W-1.5W-3W-6W, 100V, cutout 207mm, metal baffle, grille and back cover, ceramic connector, fire resistant cable, thermal fuse (Fireproof speaker),with capacitor

8"+1" Ceiling Speaker with fire dome,0.93W-1.87W-3.75W-7.5W-15W, 100V, cutout 240mm, metal baffle, grille and back cover, ceramic connector, fire resistant cable, thermal fuse (Fireproof speaker),with capacitor