Network PA System – IP Network Sound Column (Aluminum, 3×6.5″ + Tweeter, 60W, DC12‑24V)

Features:
- White sprayed all‑aluminum alloy shell and aluminum mesh grille, rust‑proof, sleek and compact design.
- Column fixing plate made of milky white ABS integrated plastic plate, mildew‑resistant, 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 high‑power digital amplifier circuit – delicate sound quality, strong power.
- Supports DC12V/24V wide voltage input, also connectable to DC12V/24V lead‑acid batteries.
- High‑efficiency Class‑D amplifier technology with complete over‑current, over‑voltage, over‑temperature protection.
- Rated power: 15W/30W/45W/60W (optional).
- Short‑circuit signal input (Phoenix terminals) controlled by platform to trigger local alarm.
- Short‑circuit signal output (Phoenix terminals) drives other linked devices.
- Multiple working modes: timed playback, emergency playback, network playback, three‑sound priority.
- Standby power <10W, meeting national energy‑saving certification standards.
- Supports DHCP, compatible with routers, switches, Internet, multicast, unicast, any network topology.
- Supports 15KV ESD protection, built‑in network isolation and lightning protection circuit.

This **IP Network PA System** sound column delivers powerful, full‑range audio with flexible power options and rugged weather‑resistant construction, ideal for outdoor IP broadcasting.

In summary, this **IP Network PA System** IP network sound column with 4‑driver array, wide‑voltage DC input, and Linux‑based decoding is the perfect choice for schools, stadiums, industrial parks, and public squares requiring high‑performance, reliable outdoor audio distribution.