Description :
Applied to the airport PA system, the audio microphone is used for remote broadcasting, intercom and network monitoring, etc.
Feature:
* Using super directional microphone with 48Khz sampling rate to ensure ultra high call quality.
* Based on 3-layer network transmission technology, compatible with standard network protocols, it supports 48Khz/16-bit network audio cross-network transmission.
* Support paging broadcast, support scheduling through system management software, and support broadcast paging to designated zones.
* Support full-duplex two-way intercom function, realize hands-free two-way conversation.
* Built-in echo cancellation function to suppress network echo.
* Adopt self-developed data transmission technology, support extremely low end-to-end transmission delay to realize zero-delay experience.
* Built-in monitor speaker, the sound is clear and loud.
* Support 12V DC power adapter mode.
* Support remote firmware upgrade, no need to dismantle the machine, firmware upgrade can be completed through LAN, reducing the workload of maintenance personnel.
Specification:
Model | VA-6504 (BC31) |
Network interface | Standard RJ45 |
Communication protocol | Compatible with DHCP, TCP, UDP, ICMP, IGMP, ARP, etc. |
Transmission rate | 100Mbps |
MIC sensitivity | -34±2dB (0dB=1V/Pa, at 1KHz) |
MIC type | Cardioid Condenser Electret Microphone |
Built-in speaker impedance | 4Ω |
Built-in speaker rated power | 1.5W |
THD | THD+N≤1% |
Frequency response | 80Hz~16KHz +1/-3dB |
SNR | Line out>= 70dB(A); Microphone:>= 60dB(A) |
Working temperature | -10℃~+55℃ |
Relative humidity | 20%~80%, no condensation |
Total power consumption | ≤10W |
Standard input DC power | DC12V/1A |
Dimension | 100×113×36mm |
Net weight | 0.7Kg |
Installation method | Desktop |