Network PA System – IP Network Sound Column (Aluminum, 80W, 3×6.5″ + 2.5″ Tweeter)

Features:
- White sprayed all‑aluminum alloy shell and aluminum mesh, rust‑proof, sleek and compact design.
- Column fixing plate made of milky white ABS integrated plastic plate, never mildews, extends service life.
- Adopts domestic integrated chips and Linux system, excellent stability, security, portability, flexibility, incomparable to single‑chip solutions.
- CPU: ARM Cortex A7 @ 900MHz.
- Audio Codec: Supports software codec, compatible with G.711, G.726, ADPCM, and audio 3A (AEC/ANR/AGC).
- Standard 1×10/100M RJ45 network interface, LAN/WAN deployment.
- Built‑in 1‑channel network hardware audio decoding module for real‑time/timed music playback.
- Sampling rate adjustable in background; freely select highest sampling rate in LAN for optimal sound quality (WAV 8K/16K/44.1K, AAC 16K/44.1K/48K optional).
- Background hardware resource monitoring: CPU/memory usage ratio and continuous running time.
- Supports remote upgrade of standalone and batch units over LAN/WAN.
- Equipped with 3 high‑fidelity 6.5‑inch waterproof full‑range units and 1 2.5‑inch tweeter unit.
- Built‑in Class D 80W digital power amplifier – delicate sound quality, strong power.
- 1 set of short‑circuit signal input (trigger local alarm via software).
- 1 set of short‑circuit signal trigger output (drive other linked devices).
- Standby power <10W, meeting national environmental protection and energy‑saving certification.
- Supports DHCP, compatible with routers, switches, Internet, multicast, unicast, any network topology.
- 15KV ESD protection, built‑in network isolation and lightning protection.
- Switching power supply with 4KV lightning protection, supports AC100‑240V.

This **IP Network PA System** sound column delivers high‑power, full‑range outdoor audio with rugged aluminum construction and intelligent network management.

Technical Specifications:
- Network Interface: Standard RJ45
- Supported Protocols: HTTP, HTTPS, UDP, TCP/IP, RTP, RTSP, RTMP, MQTT, FTP, SIP
- Audio Formats: mp3, wav
- Sampling Rate: 8K ~ 48K
- Network Transmission Rate: 100Mbps
- Audio Mode: 16‑bit stereo CD‑quality sound
- Output Frequency: 80Hz ~ 18KHz
- Harmonic Distortion: ≤1%
- SNR: ≥80dB
- Rated Power: 80W
- Short‑circuit I/O: Phoenix terminals
- Operating Temperature: -20℃ ~ 50℃
- Humidity: 20% ~ 80%, non‑condensing
- Power Consumption: ≤120W
- Input Power: AC100~240V, 50/60Hz
- Dimensions: 310×225×125mm
- Material: Aluminum alloy / aluminum mesh
- Speaker Units: 6.5″×3 + 2.5″×1

In summary, this **IP Network PA System** IP network sound column with 80W Class D amp, 4‑driver array, and wide‑voltage AC power is the ideal choice for schools, stadiums, industrial parks, and public spaces requiring high‑performance, weather‑resistant IP broadcasting.