VA-6501P
(PA31) 120W Amplifier Board
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PA Systems — Public Address · 6500 Series (Railway)
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.
Features
- Embedded rectangular design, simple appearance, exquisite craft, and durable structure.
- Based on 3-layer network transmission technology, compatible with standard network protocols, support 48Khz/16-bit across-network audio transmission;
- Support one-key help, support calling the intercom microphone of the duty room to realize quick connection, with convenient operation.
- Adopt a microphone with super cardioid polar pattern, which supports 48Khz sampling rate to ensure high-quality sound;
- Support hands-free calls and receiving broadcasts.
- Two installation methods: embedded installation and surface-mounted installation.
- Support full duplex two-way intercom function; adopt built-in network echo cancellation modules; realize two-way intercom between IP terminals, extremely low end-to-end transmission delay(5ms), and complete network echo howling suppression.
- Built-in 3W full-range monitoring speaker, with clear and powerful sound.
- Support remote firmware upgrades through the LAN without disassembling the machine, which reduces the work intensity of maintenance personnel.
Technical specifications
| Model | VA-6504 |
|---|---|
| Network interface | Standard RJ45 input |
| Communication protocol | TCP/IP, UDP |
| Sampling rate | 8K ~ 48KHz |
| Transmission rate | 100Mbps |
| Audio mode | 16-bit CD sound quality |
| Rated power | 6W |
| THD | ≤ 1% |
| Frequency response | 317Hz ~ 3.4 kHz + 1dB/-3dB |
| SNR | ≥ 65 dB |
| Protection level | IP55 |
| Working temperature | -20 ℃ ~ 60 ℃ |
| Working humidity | 20% ~ 80% relative humidity, no condensation |
| Working voltage | DC12/1. 5A or standard POE power supply (either-or power supply modes) |
| Total power consumption | ≤ 12 W |
| Size | 172×86×65 mm |
| Weight | 1Kg |
