VA-6504 BA1 Operation Console PA System


  • * 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.


Network interfaceStandard RJ45 input
Communication protocolCompatible with DHCP, TCP, UDP, ICMP, IGMP, ARP and other standard network protocols
Transmission rate100Mbps
Screen size10.1 inches
Screen resolution1280*800 
Viewing angle178 ° full viewing angle
Touch screen Capacitive touch screen
CPUCeleron J1900
Hard disk capacity64G
MIC sensitivity-34 ± 2 dB (0dB=1V/Pa, at 1KHz)
Local audio input sensitivity-6.9 dBu
Local audio output sensitivity2.2 dBu
MicrophoneCardioid electret condenser microphone
Built-in speaker impedance and rated power4Ω, 2W
THDTHD + N ≤ 1%
Frequency response80Hz ~ 16kHz +1/-3dB
SNRLine output: ≥ 70 dB (A); microphone: ≥ 65dB (A)
Working temperature-10 ℃ ~ + 55 ℃
Working humidity20% ~ 80% relative humidity, no condensation
Total power consumption ≤ 45 W
Standard input DC power supplyDC12V/5A
Size 300×190×97 mm
Net weight2.74 kg
Installation methodDesktop