Network PA System – Network Audio Terminal (Aluminum, Touch Screen, 2×30W)

Features:

- Wall-mounted design, made of milky white all-aluminum alloy die-casting, exquisite and elegant craftsmanship.
- Adopts domestic integrated chips and Linux system, featuring excellent stability, security, portability and flexibility, incomparable to single-chip solutions.
- CPU adopts ARM3 Cortex A7 @ 900MHz.
- Audio codec: supports software codec, compatible with G.711, G.726, ADPCM, and audio 3A (AEC/ANR/AGC).
- Equipped with 1x 10/100M RJ45 network communication interface as standard, supporting LAN and WAN deployment.
- Built-in 1-channel network hardware audio decoding module, enabling real-time/timed music playback.
- Sampling rate adjustable in the background, allowing free selection of the highest sampling rate in the LAN for optimal sound quality (supports WAV 8K/16K/44.1K, ACC 16K/44.1K/48K optional).
- Background hardware resource monitoring, displaying CPU and memory usage ratio, and continuous running time.
- The device supports remote upgrade of standalone and batch units in LAN and WAN, facilitating efficient and fast customer service.
- 4.3-inch color touch screen display, industrial-grade touch operation for human-machine interaction with sensitive touch feel.
- Excellent anti-interference performance, eliminating instability in infrared signal operation.
- Supports multiple operation modes (play, pause, select, previous track, next track, volume adjustment).
- Supports on-demand playback of music in the local media library of the point-to-point server.
- Equipped with factory reset icon, enabling one-click restoration to factory settings.
- Supports manual or automatic IP address acquisition.
- Supports password login authority management to prevent unauthorized operation.
- Built-in 2×30W fixed-output Class D power amplifier module, with excellent sound quality and strong power.
- 1-channel stereo audio output, compatible with external power amplifiers or active speakers.
- 1-channel stereo line input and 1-channel microphone input, with independent volume adjustment switches.
- 1-channel USB flash drive input interface, supporting local U-disk playback.
- 1-channel short-circuit signal input, for connecting linkage trigger signals to trigger terminal alarms in emergencies.
- 1-channel short-circuit signal output, for linking and triggering other devices in emergencies.
This **IP Network PA System** terminal provides advanced touch control, local playback, and versatile I/O for reliable IP audio distribution.
- Standby power consumption less than 10W, meeting national environmental protection and energy-saving certification standards.
- Supports DHCP, compatible with routers, switches, Internet, multicast, unicast and any network topology.
- 15KV ESD protection, built-in network isolation and lightning protection circuit.

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: 400Hz – 6KHz
- Harmonic Distortion: ≤1%
- Signal-to-Noise Ratio (SNR): ≥80dB
- Rated Power: 2×30W, 8Ω
- Local Audio Input/Output: 3.5mm standard terminals
- Local Microphone Input: 6.35mm standard jack
- Short-circuit Input/Output: Phoenix terminals
- Operating Ambient Temperature: -20℃ ~ 50℃
- Relative Humidity: 20% – 80%, non-condensing
- Power Consumption: ≤60W
- Input Power: DC19V/3A
- Dimensions: 220 × 160 × 43mm
- Weight: 1.28kg

In summary, this **IP Network PA System** network audio terminal with 4.3″ touch screen, 60W amplifier, USB playback, and comprehensive control is the ideal choice for classrooms, conference rooms, and public spaces requiring flexible, high-performance IP audio distribution.