Essential details
Lead time:5-7天
Shipping:Express Delivery
Product Introduction
Network PA System – Outdoor Network Emergency Help Column (IP55, Video Intercom, 30W Amp, 200W Camera)
1. Product Function Description:
1. Outdoor metal rainproof, dustproof, insect proof, and anti‑collision structural design.
2. Adopting domestically produced integrated chips and Linux system, with excellent stability, security, portability, and flexibility, comparable to non‑microcontroller solutions.
3. The CPU adopts ARM Cortex A7@900MHz.
4. Built‑in 200W high‑definition camera, realizing the function of video feedback to the platform.
5. Audio Encoding and Decoding: Supports software encoding and decoding, G.711, G.726, ADPCM, and supports audio 3A (AEC/ANR/AGC).
6. Standard configuration includes 1 10/100M RJ45 network communication interface, supporting LAN and WAN deployment.
★ 7. The sampling rate can be adjusted in the background, and the highest sampling rate can be freely selected within the local area network to improve the best sound quality (supporting WAV 8K/16K/44.1K, ACC 16K/44.1K/48K optional).
★ 8. Backend hardware resource monitoring, which can display CPU and memory usage ratios, as well as continuous running time display.
9. This device supports both LAN and WAN standalone and batch remote upgrades, making it easy to effectively and quickly serve customers.
10. Built‑in high‑sensitivity pickup head, capable of remote on‑site sound collection.
11. It has sound and light alarm function, which automatically starts the sound and light alarm when seeking emergency help.
12. Built‑in waterproof 4Ω 3W full‑range speaker for intercom amplification.
13. 1 independent help intercom key, which can be configured to be linked with equipment such as computer rooms and security rooms for help intercom operations.
14. Powered by a DC24V power supply, comes standard with an AC220V to DC24V adapter.
15. Adopting high‑efficiency Class D digital amplifier, with ultra‑high signal‑to‑noise ratio and no current noise disturbance.
16. 1 fixed impedance power amplifier output, rated output power up to 30W @ 8Ω.
17. 1 analog audio signal output, signal strength of 1V (0dB), output impedance of 600Ω.
★ 18. 1 alarm linkage signal input (this function is extended).
★ 19. 1 alarm linkage signal output (this function is extended).
★ 20. 1 DC24V alarm linkage signal output (this function is extended).
★ 21. 1 anti‑tamper alarm button (this function is extended).
22. Supports DHCP and is compatible with routers, switches, Internet, multicast, unicast, and any network structure.
23. Built‑in network isolation and lightning protection processing circuit.
24. Protection level: IP55.
1. Outdoor metal rainproof, dustproof, insect proof, and anti‑collision structural design.
2. Adopting domestically produced integrated chips and Linux system, with excellent stability, security, portability, and flexibility, comparable to non‑microcontroller solutions.
3. The CPU adopts ARM Cortex A7@900MHz.
4. Built‑in 200W high‑definition camera, realizing the function of video feedback to the platform.
5. Audio Encoding and Decoding: Supports software encoding and decoding, G.711, G.726, ADPCM, and supports audio 3A (AEC/ANR/AGC).
6. Standard configuration includes 1 10/100M RJ45 network communication interface, supporting LAN and WAN deployment.
★ 7. The sampling rate can be adjusted in the background, and the highest sampling rate can be freely selected within the local area network to improve the best sound quality (supporting WAV 8K/16K/44.1K, ACC 16K/44.1K/48K optional).
★ 8. Backend hardware resource monitoring, which can display CPU and memory usage ratios, as well as continuous running time display.
9. This device supports both LAN and WAN standalone and batch remote upgrades, making it easy to effectively and quickly serve customers.
10. Built‑in high‑sensitivity pickup head, capable of remote on‑site sound collection.
11. It has sound and light alarm function, which automatically starts the sound and light alarm when seeking emergency help.
12. Built‑in waterproof 4Ω 3W full‑range speaker for intercom amplification.
13. 1 independent help intercom key, which can be configured to be linked with equipment such as computer rooms and security rooms for help intercom operations.
14. Powered by a DC24V power supply, comes standard with an AC220V to DC24V adapter.
15. Adopting high‑efficiency Class D digital amplifier, with ultra‑high signal‑to‑noise ratio and no current noise disturbance.
16. 1 fixed impedance power amplifier output, rated output power up to 30W @ 8Ω.
17. 1 analog audio signal output, signal strength of 1V (0dB), output impedance of 600Ω.
★ 18. 1 alarm linkage signal input (this function is extended).
★ 19. 1 alarm linkage signal output (this function is extended).
★ 20. 1 DC24V alarm linkage signal output (this function is extended).
★ 21. 1 anti‑tamper alarm button (this function is extended).
22. Supports DHCP and is compatible with routers, switches, Internet, multicast, unicast, and any network structure.
23. Built‑in network isolation and lightning protection processing circuit.
24. Protection level: IP55.
This **Network PA System** emergency help column integrates video intercom, sound/light alarm, and network audio for immediate public space response.
2. 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 to 48K.
5. Network transmission rate: 100Mbps.
6. Audio mode: 16‑bit CD sound quality.
7. Audio output level: 600Ω, 1V (0dB).
8. Audio signal output frequency response: 30Hz~20KHz.
9. Power output frequency response: 50Hz~20KHz.
10. Standby power consumption: 3W.
11. Power output harmonic distortion THD: ≤0.05%.
12. Signal‑to‑noise ratio: ≥80dB.
13. Working environment temperature: -20℃ to 60℃.
14. Working environment humidity: 20% to 80% relative humidity, non‑condensing.
15. Input power supply: DC24V (standard AC220V to DC24V adapter).
16. Dimensions: 2200 × 200 × 200mm.
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 to 48K.
5. Network transmission rate: 100Mbps.
6. Audio mode: 16‑bit CD sound quality.
7. Audio output level: 600Ω, 1V (0dB).
8. Audio signal output frequency response: 30Hz~20KHz.
9. Power output frequency response: 50Hz~20KHz.
10. Standby power consumption: 3W.
11. Power output harmonic distortion THD: ≤0.05%.
12. Signal‑to‑noise ratio: ≥80dB.
13. Working environment temperature: -20℃ to 60℃.
14. Working environment humidity: 20% to 80% relative humidity, non‑condensing.
15. Input power supply: DC24V (standard AC220V to DC24V adapter).
16. Dimensions: 2200 × 200 × 200mm.
In summary, this **Network PA System** outdoor help column with IP55 protection, 200W camera, 30W amplifier, and SIP support is the ideal choice for campuses, parking lots, industrial parks, and public areas requiring reliable emergency communication and broadcast.

