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Network PA System – One‑Button Help Intercom Terminal (IP55, 30W Amp)
Key Features:
- ARM Cortex A7@900MHz, Linux OS, domestic chip
- Audio codec: G.711, G.726, ADPCM, 3A (AEC/ANR/AGC)
- RJ45 10/100M, LAN/WAN, adjustable sampling rate up to 48kHz
- Remote OTA upgrade, hardware resource monitoring (CPU/memory/uptime)
- High‑sensitivity microphone, waterproof 3W speaker
- One‑button help intercom, linkable to security room
- Class D 30W amplifier (8Ω fixed impedance), analog output 1V/600Ω
- Extendable alarm input/output, DC24V alarm output, anti‑tamper alarm
- IP55 protection, DC24V power (AC adapter included)
- Supports DHCP, any network (multicast/unicast), lightning protection
- ARM Cortex A7@900MHz, Linux OS, domestic chip
- Audio codec: G.711, G.726, ADPCM, 3A (AEC/ANR/AGC)
- RJ45 10/100M, LAN/WAN, adjustable sampling rate up to 48kHz
- Remote OTA upgrade, hardware resource monitoring (CPU/memory/uptime)
- High‑sensitivity microphone, waterproof 3W speaker
- One‑button help intercom, linkable to security room
- Class D 30W amplifier (8Ω fixed impedance), analog output 1V/600Ω
- Extendable alarm input/output, DC24V alarm output, anti‑tamper alarm
- IP55 protection, DC24V power (AC adapter included)
- Supports DHCP, any network (multicast/unicast), lightning protection
This **Network PA System** terminal integrates instant help calling, two‑way intercom, and alarm linkage for public areas.
Technical Parameters:
- Protocols: HTTP/HTTPS/UDP/TCP/IP/RTP/RTSP/RTMP/MQTT/FTP/SIP
- Audio: mp3/wav, 8K‑48K, 100Mbps, 16‑bit CD quality
- Output: 30W@8Ω, THD ≤0.05%, SNR ≥80dB
- Standby power: 3W, operating temp: -20℃~+60℃
- Size: 193×107×44mm, weight: 0.75kg
- Protocols: HTTP/HTTPS/UDP/TCP/IP/RTP/RTSP/RTMP/MQTT/FTP/SIP
- Audio: mp3/wav, 8K‑48K, 100Mbps, 16‑bit CD quality
- Output: 30W@8Ω, THD ≤0.05%, SNR ≥80dB
- Standby power: 3W, operating temp: -20℃~+60℃
- Size: 193×107×44mm, weight: 0.75kg
In summary, this **Network PA System** one‑button help intercom terminal with 30W amp and IP55 rating is the ideal choice for schools, parking lots, factories, and public areas requiring reliable emergency communication.
