基本信息
交付時間:5-7天
物流方式:快递
商品介紹
Network PA System – 4‑Channel Network Audio Decoder (2U, Linux, 4×500W Power Management)
Product Function Description:
1. High‑end aluminum 2U black brushed panel, cabinet style installation, beautiful and elegant.
2. Adopting Linux system, with stable performance and fast running.
3. Adopting DSP software audio decoding scheme to achieve networked transmission of 16‑bit stereo CD sound quality audio signals.
4. Receive platform commands and audio signals, support remote volume control by the platform.
5. Support the platform's remote upgrade function for the local machine.
6. Support platform partitioning and group broadcasting functions for local devices.
7. The internal circuit adopts full surface mount technology, which provides more stable performance and more aesthetically pleasing wiring.
8. Using high‑speed industrial grade chips with a startup time of less than 1 second.
★ 9. 4 independent network decoding audio output, 4 network input interfaces.
★ 10. 4 data serial ports, which can be used to query data or as an extension function port.
★ 12. Comes with 4 intelligent power management channels, each with an output power of up to 500W.
★ 13. Compatible with 4‑wire sound controllers, no need for external DC (DC24V) power supply.
14. Supports DHCP and is compatible with routers, switches, modem, Internet, multicast, unicast, and any network structure.
15. Support 15KV ESD protection, built‑in network isolation and lightning protection processing circuit.
16. Digital networked products, easy to expand, not limited by geographical location, and do not require the addition of data center management equipment.
17. Adopting the design concept of shared network without line construction, the installation is simple.
18. The equipment power supply adopts a switch mode power supply design, and can work normally with AC100~240V voltage.
1. High‑end aluminum 2U black brushed panel, cabinet style installation, beautiful and elegant.
2. Adopting Linux system, with stable performance and fast running.
3. Adopting DSP software audio decoding scheme to achieve networked transmission of 16‑bit stereo CD sound quality audio signals.
4. Receive platform commands and audio signals, support remote volume control by the platform.
5. Support the platform's remote upgrade function for the local machine.
6. Support platform partitioning and group broadcasting functions for local devices.
7. The internal circuit adopts full surface mount technology, which provides more stable performance and more aesthetically pleasing wiring.
8. Using high‑speed industrial grade chips with a startup time of less than 1 second.
★ 9. 4 independent network decoding audio output, 4 network input interfaces.
★ 10. 4 data serial ports, which can be used to query data or as an extension function port.
★ 12. Comes with 4 intelligent power management channels, each with an output power of up to 500W.
★ 13. Compatible with 4‑wire sound controllers, no need for external DC (DC24V) power supply.
14. Supports DHCP and is compatible with routers, switches, modem, Internet, multicast, unicast, and any network structure.
15. Support 15KV ESD protection, built‑in network isolation and lightning protection processing circuit.
16. Digital networked products, easy to expand, not limited by geographical location, and do not require the addition of data center management equipment.
17. Adopting the design concept of shared network without line construction, the installation is simple.
18. The equipment power supply adopts a switch mode power supply design, and can work normally with AC100~240V voltage.
This **Network PA System** decoder provides 4‑channel high‑fidelity audio decoding, intelligent power management, and seamless platform integration for professional IP broadcasting.
Technical parameters:
1. Network interface: standard RJ45 input.
★ 2. Supported protocols: HTTP, HTTPS, UDP, TCP/IP, RTP, RTSP, RTMP, MQTT, FTP, SIP.
3. Audio formats: mp3, wav.
4. Sampling rate: 8K‑48KHz.
5. Transmission rate: 100Mbps.
6. Audio output level: 500mV, 4 × 2‑position RCA sockets.
7. Audio output impedance: 470Ω.
8. Frequency response: 20Hz~20KHz.
9. Coupled wave distortion: THD ≤ 0.3%.
10. Signal‑to‑noise ratio: >70dB.
11. Working temperature: 5℃~40℃.
12. Working humidity: 20% to 80% relative humidity.
13. Power consumption: ≤ 36W.
14. Input power supply: AC110~220V/50Hz.
15. Dimensions: 485×365×89mm.
16. Net weight: 6.8kg.
1. Network interface: standard RJ45 input.
★ 2. Supported protocols: HTTP, HTTPS, UDP, TCP/IP, RTP, RTSP, RTMP, MQTT, FTP, SIP.
3. Audio formats: mp3, wav.
4. Sampling rate: 8K‑48KHz.
5. Transmission rate: 100Mbps.
6. Audio output level: 500mV, 4 × 2‑position RCA sockets.
7. Audio output impedance: 470Ω.
8. Frequency response: 20Hz~20KHz.
9. Coupled wave distortion: THD ≤ 0.3%.
10. Signal‑to‑noise ratio: >70dB.
11. Working temperature: 5℃~40℃.
12. Working humidity: 20% to 80% relative humidity.
13. Power consumption: ≤ 36W.
14. Input power supply: AC110~220V/50Hz.
15. Dimensions: 485×365×89mm.
16. Net weight: 6.8kg.
In summary, this **Network PA System** 4‑channel network audio decoder with 4×500W power outputs, multi‑protocol support, and advanced ESD protection is the ideal choice for large‑scale network PA installations requiring reliable, high‑quality signal distribution.












